mwl8k.c revision 13935e2cf39b124c9a2ff0349b294e0b1e2e3aef
1a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * drivers/net/wireless/mwl8k.c 3ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek * Driver for Marvell TOPDOG 802.11 Wireless cards 4a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 5a145d575833ff47330125364cb49304db7308825Lennert Buytenhek * Copyright (C) 2008-2009 Marvell Semiconductor Inc. 6a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * 7a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This file is licensed under the terms of the GNU General Public 8a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * License version 2. This program is licensed "as is" without any 9a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * warranty of any kind, whether express or implied. 10a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 11a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/init.h> 13a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/module.h> 14a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/kernel.h> 153d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek#include <linux/sched.h> 16a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/spinlock.h> 17a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/list.h> 18a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/pci.h> 19a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/delay.h> 20a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/completion.h> 21a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/etherdevice.h> 22a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <net/mac80211.h> 23a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/moduleparam.h> 24a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/firmware.h> 25a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#include <linux/workqueue.h> 26a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_DESC "Marvell TOPDOG(R) 802.11 Wireless Network Driver" 28a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_NAME KBUILD_MODNAME 296976b665fc2b19900659b964bba3b55de08f264fLennert Buytenhek#define MWL8K_VERSION "0.11" 30a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 31a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Register definitions */ 32a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_GEN_PTR 0x00000c10 33ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_STA 0x0000005a 34ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_MODE_AP 0x000000a5 35a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_INT_CODE 0x00000c14 36ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWSTA_READY 0xf0f1f2f4 37ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_FWAP_READY 0xf1f2f4a5 38ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_INT_CODE_CMD_FINISHED 0x00000005 39a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_SCRATCH 0x00000c40 40a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 41a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Host->device communications */ 42a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_EVENTS 0x00000c18 43a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS 0x00000c1c 44a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_MASK 0x00000c20 45a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_CLEAR_SEL 0x00000c24 46a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_H2A_INTERRUPT_STATUS_MASK 0x00000c28 47ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DUMMY (1 << 20) 48ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_RESET (1 << 15) 49ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_DOORBELL (1 << 1) 50ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_H2A_INT_PPA_READY (1 << 0) 51a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 52a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Device->host communications */ 53a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_EVENTS 0x00000c2c 54a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS 0x00000c30 55a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_MASK 0x00000c34 56a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL 0x00000c38 57a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK 0x00000c3c 58ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_DUMMY (1 << 20) 59ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_CHNL_SWITCHED (1 << 11) 60ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_QUEUE_EMPTY (1 << 10) 61ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADAR_DETECT (1 << 7) 62ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_ON (1 << 6) 63ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RADIO_OFF (1 << 5) 64ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_MAC_EVENT (1 << 3) 65ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_OPC_DONE (1 << 2) 66ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_RX_READY (1 << 1) 67ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek#define MWL8K_A2H_INT_TX_DONE (1 << 0) 68a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 69a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_A2H_EVENTS (MWL8K_A2H_INT_DUMMY | \ 70a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_CHNL_SWITCHED | \ 71a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_QUEUE_EMPTY | \ 72a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADAR_DETECT | \ 73a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_ON | \ 74a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RADIO_OFF | \ 75a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_MAC_EVENT | \ 76a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_OPC_DONE | \ 77a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_RX_READY | \ 78a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_A2H_INT_TX_DONE) 79a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 80a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_QUEUES 1 81a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_QUEUES 4 82a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 8354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstruct rxd_ops { 8454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int rxd_size; 8554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_init)(void *rxd, dma_addr_t next_dma_addr); 8654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void (*rxd_refill)(void *rxd, dma_addr_t addr, int len); 8720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int (*rxd_process)(void *rxd, struct ieee80211_rx_status *status, 8820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 *qos); 8954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 9054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 9145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstruct mwl8k_device_info { 92a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *part_name; 93a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *helper_image; 94a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek char *fw_image; 9589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct rxd_ops *ap_rxd_ops; 9645a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 9745a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 98a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rx_queue { 9945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int rxd_count; 100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 101a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw receives here */ 10245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 104a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* refill descs here */ 10545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 10754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 10845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t rxd_dma; 109788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct { 110788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek struct sk_buff *skb; 111788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek DECLARE_PCI_UNMAP_ADDR(dma) 112788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek } *buf; 113a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_queue { 116a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* hw transmits here */ 11745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int head; 118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* sw appends here */ 12045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek int tail; 121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct ieee80211_tx_queue_stats stats; 12345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct mwl8k_tx_desc *txd; 12445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek dma_addr_t txd_dma; 12545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek struct sk_buff **skb; 126a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 127a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_priv { 129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct pci_dev *pdev; 131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 13245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek struct mwl8k_device_info *device_info; 13345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 134be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *sram; 135be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek void __iomem *regs; 136be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 137be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* firmware */ 13822be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *fw_helper; 13922be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *fw_ucode; 140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* hardware/firmware parameters */ 142be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek bool ap_fw; 143be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek struct rxd_ops *rxd_ops; 144be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 145618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek /* firmware access */ 146618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mutex fw_mutex; 147618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct task_struct *fw_mutex_owner; 148618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int fw_mutex_depth; 149618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct completion *hostcmd_wait; 150618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 151a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* lock held over TX and TX reap */ 152a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spinlock_t tx_lock; 153a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 15488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek /* TX quiesce completion, protected by fw_mutex and tx_lock */ 15588de754ad59025eba797e7a8375807755577f450Lennert Buytenhek struct completion *tx_wait; 15688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_vif *vif; 158a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel *current_channel; 160a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* power management status cookie from firmware */ 162a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 *cookie; 163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t cookie_dma; 164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 num_mcaddrs; 166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 hw_rev; 1672aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek u32 fw_rev; 168a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 169a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 170a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Running count of TX packets in flight, to avoid 171a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * iterating over the transmit rings each time. 172a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 173a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int pending_tx_pkts; 174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue rxq[MWL8K_RX_QUEUES]; 176a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue txq[MWL8K_TX_QUEUES]; 177a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* PHY parameters */ 179a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_supported_band band; 180a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_channel channels[14]; 181140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek struct ieee80211_rate rates[14]; 182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 183c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek bool radio_on; 18468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek bool radio_short_preamble; 185a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek bool sniffer_enabled; 1860439b1f55646ea944b0d58337f5065b79a1c1be0Lennert Buytenhek bool wmm_enabled; 187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 188bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct work_struct sta_notify_worker; 189bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spinlock_t sta_notify_list_lock; 190bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct list_head sta_notify_list; 191bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 192a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* XXX need to convert this to handle multiple interfaces */ 193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek bool capture_beacon; 194d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek u8 capture_bssid[ETH_ALEN]; 195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *beacon_skb; 196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This FJ worker has to be global as it is scheduled from the 199a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * RX handler. At this point we don't know which interface it 200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * belongs to until the list of bssids waiting to complete join 201a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * is checked. 202a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 203a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct work_struct finalize_join_worker; 204a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Tasklet to reclaim TX descriptors and buffers after tx */ 206a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct tasklet_struct tx_reclaim_task; 207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 208a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 209a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Per interface specific private data */ 210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_vif { 2117dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek /* Local MAC address. */ 2127dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek u8 mac_addr[ETH_ALEN]; 213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Non AMPDU sequence number assigned by driver */ 215a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u16 seqno; 216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 217a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek#define MWL8K_VIF(_vif) ((struct mwl8k_vif *)&((_vif)->drv_priv)) 218a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 219a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstruct mwl8k_sta { 220a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek /* Index into station database. Returned by UPDATE_STADB. */ 221a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek u8 peer_id; 222a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek}; 223a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA(_sta) ((struct mwl8k_sta *)&((_sta)->drv_priv)) 224a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_channel mwl8k_channels[] = { 226a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2412, .hw_value = 1, }, 227a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2417, .hw_value = 2, }, 228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2422, .hw_value = 3, }, 229a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2427, .hw_value = 4, }, 230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2432, .hw_value = 5, }, 231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2437, .hw_value = 6, }, 232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2442, .hw_value = 7, }, 233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2447, .hw_value = 8, }, 234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2452, .hw_value = 9, }, 235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2457, .hw_value = 10, }, 236a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .center_freq = 2462, .hw_value = 11, }, 237647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2467, .hw_value = 12, }, 238647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2472, .hw_value = 13, }, 239647ca6b01a5289948e970ea7c1f656f9d90b0a27Lennert Buytenhek { .center_freq = 2484, .hw_value = 14, }, 240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_rate mwl8k_rates[] = { 243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 10, .hw_value = 2, }, 244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 20, .hw_value = 4, }, 245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 55, .hw_value = 11, }, 2465dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 110, .hw_value = 22, }, 2475dfd3e2c6fb69cf4295ec139107f4ebd3f7fbff0Lennert Buytenhek { .bitrate = 220, .hw_value = 44, }, 248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 60, .hw_value = 12, }, 249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 90, .hw_value = 18, }, 250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 120, .hw_value = 24, }, 251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 180, .hw_value = 36, }, 252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 240, .hw_value = 48, }, 253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 360, .hw_value = 72, }, 254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 480, .hw_value = 96, }, 255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek { .bitrate = 540, .hw_value = 108, }, 256140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek { .bitrate = 720, .hw_value = 144, }, 257140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek}; 258140eb5e2c1978622d7cd979d59a1c0586fe3bbdbLennert Buytenhek 259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Set or get info from Firmware */ 260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET 0x0001 261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET 0x0000 262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Firmware command codes */ 264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_CODE_DNLD 0x0001 265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_HW_SPEC 0x0003 26642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_CMD_SET_HW_SPEC 0x0004 267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MAC_MULTICAST_ADR 0x0010 268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_GET_STAT 0x0014 269ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RADIO_CONTROL 0x001c 270ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RF_TX_POWER 0x001e 27108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_CMD_RF_ANTENNA 0x0020 272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_PRE_SCAN 0x0107 273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_POST_SCAN 0x0108 274ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RF_CHANNEL 0x010a 275ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_AID 0x010d 276ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_RATE 0x0110 277ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_FINALIZE_JOIN 0x0111 278ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_RTS_THRESHOLD 0x0113 279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_SLOT 0x0114 280ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_EDCA_PARAMS 0x0115 281ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_SET_WMM_MODE 0x0123 282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_MIMO_CONFIG 0x0125 283ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_USE_FIXED_RATE 0x0126 284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_ENABLE_SNIFFER 0x0150 28532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek#define MWL8K_CMD_SET_MAC_ADDR 0x0202 286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMD_SET_RATEADAPT_MODE 0x0203 287ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek#define MWL8K_CMD_UPDATE_STADB 0x1123 288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const char *mwl8k_cmd_name(u16 cmd, char *buf, int bufsize) 290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_CMDNAME(x) case MWL8K_CMD_##x: do {\ 292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "%s", #x);\ 293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf;\ 294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (0) 295ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek switch (cmd & ~0x8000) { 296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(CODE_DNLD); 297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_HW_SPEC); 29842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek MWL8K_CMDNAME(SET_HW_SPEC); 299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MAC_MULTICAST_ADR); 300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(GET_STAT); 301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RADIO_CONTROL); 302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(RF_TX_POWER); 30308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek MWL8K_CMDNAME(RF_ANTENNA); 304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_PRE_SCAN); 305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_POST_SCAN); 306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RF_CHANNEL); 307ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_AID); 308ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_RATE); 309ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_FINALIZE_JOIN); 310ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(RTS_THRESHOLD); 311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_SLOT); 312ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_EDCA_PARAMS); 313ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(SET_WMM_MODE); 314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(MIMO_CONFIG); 315ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(USE_FIXED_RATE); 316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(ENABLE_SNIFFER); 31732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek MWL8K_CMDNAME(SET_MAC_ADDR); 318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMDNAME(SET_RATEADAPT_MODE); 319ff45fc60ad583f45ecf10a41f7dbecf78519bcc1Lennert Buytenhek MWL8K_CMDNAME(UPDATE_STADB); 320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek default: 321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek snprintf(buf, bufsize, "0x%x", cmd); 322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#undef MWL8K_CMDNAME 324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return buf; 326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Hardware and firmware reset */ 329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_hw_reset(struct mwl8k_priv *priv) 330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_RESET, 334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msleep(20); 336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Release fw image */ 339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_fw(struct firmware **fw) 340a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 341a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw == NULL) 342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek release_firmware(*fw); 344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek *fw = NULL; 345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_release_firmware(struct mwl8k_priv *priv) 348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 34922be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_ucode); 35022be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Request fw image */ 354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_request_fw(struct mwl8k_priv *priv, 355c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek const char *fname, struct firmware **fw) 356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* release current image */ 358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (*fw != NULL) 359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_release_fw(fw); 360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return request_firmware((const struct firmware **)fw, 362c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek fname, &priv->pdev->dev); 363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 36545a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic int mwl8k_request_firmware(struct mwl8k_priv *priv) 366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 367a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek struct mwl8k_device_info *di = priv->device_info; 368a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 370a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (di->helper_image != NULL) { 37122be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek rc = mwl8k_request_fw(priv, di->helper_image, &priv->fw_helper); 372a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek if (rc) { 373a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek printk(KERN_ERR "%s: Error requesting helper " 374a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek "firmware file %s\n", pci_name(priv->pdev), 375a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek di->helper_image); 376a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek return rc; 377a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek } 378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 38022be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek rc = mwl8k_request_fw(priv, di->fw_image, &priv->fw_ucode); 381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 382c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Error requesting firmware file %s\n", 383a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek pci_name(priv->pdev), di->fw_image); 38422be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek mwl8k_release_fw(&priv->fw_helper); 385a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3917e75b942f67a13a9980c5e2b4fa1993b20426284Ben HutchingsMODULE_FIRMWARE("mwl8k/helper_8687.fw"); 3927e75b942f67a13a9980c5e2b4fa1993b20426284Ben HutchingsMODULE_FIRMWARE("mwl8k/fmimage_8687.fw"); 3937e75b942f67a13a9980c5e2b4fa1993b20426284Ben Hutchings 394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_pkt { 395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 code; 396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 length; 397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 seq_num; 398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 result; 399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek char payload[0]; 400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 402a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 403a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware loading. 404a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 405a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_send_fw_load_cmd(struct mwl8k_priv *priv, void *data, int length) 407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 408a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int loops; 411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, data, length, PCI_DMA_TODEVICE); 413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek loops = 1000; 424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 int_code; 426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int_code = ioread32(regs + MWL8K_HIU_INT_CODE); 428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (int_code == MWL8K_INT_CODE_CMD_FINISHED) { 429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, regs + MWL8K_HIU_INT_CODE); 430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 4333d76e82c9538d8104e578ca460d35f214bfddfd3Lennert Buytenhek cond_resched(); 434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, length, PCI_DMA_TODEVICE); 438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 439d4b7057052236e81ab0788cc8df306dc02b0e7beLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_load_fw_image(struct mwl8k_priv *priv, 443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt *cmd; 446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int done; 447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc = 0; 448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kmalloc(sizeof(*cmd) + 256, GFP_KERNEL); 450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->code = cpu_to_le16(MWL8K_CMD_CODE_DNLD); 454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->seq_num = 0; 455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->result = 0; 456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (length) { 459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int block_size = length > 256 ? 256 : length; 460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(cmd->payload, data + done, block_size); 462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = cpu_to_le16(block_size); 463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, 465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(*cmd) + block_size); 466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += block_size; 470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= block_size; 471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->length = 0; 475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, cmd, sizeof(*cmd)); 476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_feed_fw_image(struct mwl8k_priv *priv, 484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const u8 *data, size_t length) 485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned char *buffer; 487a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int may_continue, rc = 0; 488a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 done, prev_block_size; 489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek buffer = kmalloc(1024, GFP_KERNEL); 491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (buffer == NULL) 492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done = 0; 495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = 0; 496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue = 1000; 497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (may_continue > 0) { 498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 block_size; 499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size = ioread32(priv->regs + MWL8K_HIU_SCRATCH); 501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size & 1) { 502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek block_size &= ~1; 503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek done += prev_block_size; 506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek length -= prev_block_size; 507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size > 1024 || block_size > length) { 510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EOVERFLOW; 511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (length == 0) { 515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = 0; 516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (block_size == 0) { 520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EPROTO; 521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek may_continue--; 522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek continue; 524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek prev_block_size = block_size; 527a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(buffer, data + done, block_size); 528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 529a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_send_fw_load_cmd(priv, buffer, block_size); 530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 534a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc && length != 0) 535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -EREMOTEIO; 536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(buffer); 538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 539a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 540a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 542c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhekstatic int mwl8k_load_firmware(struct ieee80211_hw *hw) 543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 544c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 54522be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *fw = priv->fw_ucode; 546c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int rc; 547c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek int loops; 548c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 549c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (!memcmp(fw->data, "\x01\x00\x00\x00", 4)) { 55022be40d9c53faa10d03a679160e0854ad115b610Lennert Buytenhek struct firmware *helper = priv->fw_helper; 551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 552c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek if (helper == NULL) { 553c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: helper image needed but none " 554c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "given\n", pci_name(priv->pdev)); 555c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek return -EINVAL; 556c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek } 557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 558c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, helper->data, helper->size); 559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 560a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware " 561c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "helper image\n", pci_name(priv->pdev)); 562a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 56489b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek msleep(5); 565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 566c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_feed_fw_image(priv, fw->data, fw->size); 567a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 568c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek rc = mwl8k_load_fw_image(priv, fw->data, fw->size); 569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 572c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: unable to load firmware image\n", 573c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_name(priv->pdev)); 574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 57789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek iowrite32(MWL8K_MODE_STA, priv->regs + MWL8K_HIU_GEN_PTR); 578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 57989b872e2e476833cde8aaac658c75817f67e8f81Lennert Buytenhek loops = 500000; 580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek do { 581eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek u32 ready_code; 582eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 583eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek ready_code = ioread32(priv->regs + MWL8K_HIU_INT_CODE); 584eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek if (ready_code == MWL8K_FWAP_READY) { 585eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw = 1; 586eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek break; 587eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } else if (ready_code == MWL8K_FWSTA_READY) { 588eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw = 0; 589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 590eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek } 591eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek 592eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek cond_resched(); 593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek udelay(1); 594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } while (--loops); 595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return loops ? 0 : -ETIMEDOUT; 597a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 598a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 600a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* DMA header used by firmware and hardware. */ 601a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_dma_data { 602a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 fwlen; 603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr wh; 60420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek char data[0]; 605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Routines to add/remove DMA header from skb. */ 60820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhekstatic inline void mwl8k_remove_dma_header(struct sk_buff *skb, __le16 qos) 609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 61020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek struct mwl8k_dma_data *tr; 61120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek int hdrlen; 61220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 61320f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 61420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek hdrlen = ieee80211_hdrlen(tr->wh.frame_control); 61520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 61620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(tr->wh)) { 61720f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (ieee80211_is_data_qos(tr->wh.frame_control)) { 61820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen - 2); 61920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *((__le16 *)(tr->data - 2)) = qos; 62020f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } else { 62120f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek memmove(tr->data - hdrlen, &tr->wh, hdrlen); 62220f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek } 623a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 62420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 62520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek if (hdrlen != sizeof(*tr)) 62620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek skb_pull(skb, sizeof(*tr) - hdrlen); 627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 62976266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhekstatic inline void mwl8k_add_dma_header(struct sk_buff *skb) 630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 631a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 632ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek int hdrlen; 633a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_dma_data *tr; 634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 635ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek /* 636ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * Add a firmware DMA header; the firmware requires that we 637ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * present a 2-byte payload length followed by a 4-address 638ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * header (without QoS field), followed (optionally) by any 639ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek * WEP/ExtIV header (but only filled in for CCMP). 640ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek */ 641a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 642ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek 643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hdrlen = ieee80211_hdrlen(wh->frame_control); 644ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(*tr)) 645ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek skb_push(skb, sizeof(*tr) - hdrlen); 646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 647ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 648ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek hdrlen -= 2; 649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tr = (struct mwl8k_dma_data *)skb->data; 651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (wh != &tr->wh) 652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memmove(&tr->wh, wh, hdrlen); 653ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek if (hdrlen != sizeof(tr->wh)) 654ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek memset(((void *)&tr->wh) + hdrlen, 0, sizeof(tr->wh) - hdrlen); 655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Firmware length is the length of the fully formed "802.11 658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * payload". That is, everything except for the 802.11 header. 659a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * This includes all crypto material including the MIC. 660a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 661ca00930153c14b323c31b97623ac5c4f7855ed6aLennert Buytenhek tr->fwlen = cpu_to_le16(skb->len - sizeof(*tr)); 662a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 663a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 66689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for 88w8366 AP firmware. 6676f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek */ 66889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_8366_ap { 6696f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 pkt_len; 6706f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 sq2; 6716f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rate; 6726f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 pkt_phys_addr; 6736f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 next_rxd_phys_addr; 6746f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 qos_control; 6756f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le16 htsig2; 6766f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_rssi_info; 6776f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __le32 hw_noise_floor_info; 6786f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 noise_floor; 6796f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 pad0[3]; 6806f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rssi; 6816f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_status; 6826f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 channel; 6836f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek __u8 rx_ctrl; 6846f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} __attribute__((packed)); 6856f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 68689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_MCS_FORMAT 0x80 68789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_40MHZ 0x40 68889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RATE_INFO_RATEID(x) ((x) & 0x3f) 6898e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek 69089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST 0x80 6916f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 69289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_init(void *_rxd, dma_addr_t next_dma_addr) 6936f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 69489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 6956f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 6966f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 69789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST; 6986f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 6996f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 70089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_8366_ap_refill(void *_rxd, dma_addr_t addr, int len) 7016f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 70289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 7036f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7046f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 7056f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 7066f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek wmb(); 7076f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rxd->rx_ctrl = 0; 7086f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 7096f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7106f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhekstatic int 71189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_8366_ap_process(void *_rxd, struct ieee80211_rx_status *status, 71289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek __le16 *qos) 7136f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek{ 71489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_8366_ap *rxd = _rxd; 7156f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 71689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_8366_AP_RX_CTRL_OWNED_BY_HOST)) 7176f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return -1; 7186f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek rmb(); 7196f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7206f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 7216f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7226f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->signal = -rxd->rssi; 7236f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->noise = -rxd->noise_floor; 7246f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 72589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_MCS_FORMAT) { 7266f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 72789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rxd->rate & MWL8K_8366_AP_RATE_INFO_40MHZ) 7288e9f33f0ced82a797d285b233e1c956cbd5c7de3Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 72989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_8366_AP_RATE_INFO_RATEID(rxd->rate); 7306f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } else { 7316f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek int i; 7326f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7336f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek for (i = 0; i < ARRAY_SIZE(mwl8k_rates); i++) { 7346f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek if (mwl8k_rates[i].hw_value == rxd->rate) { 7356f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->rate_idx = i; 7366f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek break; 7376f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 7386f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 7396f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek } 7406f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7416f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 7426f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek status->freq = ieee80211_channel_to_frequency(rxd->channel); 7436f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 74420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 74520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 7466f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 7476f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek} 7486f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 74989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_8366_ap_ops = { 75089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_8366_ap), 75189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_8366_ap_init, 75289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_8366_ap_refill, 75389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_8366_ap_process, 7546f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 7556f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 7566f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek/* 75789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek * Packet reception for STA firmware. 758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 75989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstruct mwl8k_rxd_sta { 760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 link_quality; 762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 noise_level; 763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 76445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_rxd_phys_addr; 765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pad0[4]; 768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rssi; 769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 channel; 770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pad1; 771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_ctrl; 772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 rx_status; 773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 pad2[2]; 774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 77689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTPRE 0x8000 77789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_ANTSELECT(x) (((x) >> 11) & 0x3) 77889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_RATEID(x) (((x) >> 3) & 0x3f) 77989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_40MHZ 0x0004 78089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_SHORTGI 0x0002 78189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RATE_INFO_MCS_FORMAT 0x0001 78254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 78389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek#define MWL8K_STA_RX_CTRL_OWNED_BY_HOST 0x02 78454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 78589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_init(void *_rxd, dma_addr_t next_dma_addr) 78654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 78789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 78854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 78954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->next_rxd_phys_addr = cpu_to_le32(next_dma_addr); 79089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek rxd->rx_ctrl = MWL8K_STA_RX_CTRL_OWNED_BY_HOST; 79154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 79254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 79389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic void mwl8k_rxd_sta_refill(void *_rxd, dma_addr_t addr, int len) 79454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 79589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 79654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 79754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_len = cpu_to_le16(len); 79854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->pkt_phys_addr = cpu_to_le32(addr); 79954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek wmb(); 80054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd->rx_ctrl = 0; 80154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 80254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 80354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhekstatic int 80489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekmwl8k_rxd_sta_process(void *_rxd, struct ieee80211_rx_status *status, 80520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 *qos) 80654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek{ 80789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek struct mwl8k_rxd_sta *rxd = _rxd; 80854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek u16 rate_info; 80954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (!(rxd->rx_ctrl & MWL8K_STA_RX_CTRL_OWNED_BY_HOST)) 81154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return -1; 81254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rmb(); 81354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rate_info = le16_to_cpu(rxd->rate_info); 81554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek memset(status, 0, sizeof(*status)); 81754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 81854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->signal = -rxd->rssi; 81954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->noise = -rxd->noise_level; 82089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->antenna = MWL8K_STA_RATE_INFO_ANTSELECT(rate_info); 82189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek status->rate_idx = MWL8K_STA_RATE_INFO_RATEID(rate_info); 82254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 82389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTPRE) 82454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORTPRE; 82589a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_40MHZ) 82654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_40MHZ; 82789a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_SHORTGI) 82854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_SHORT_GI; 82989a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek if (rate_info & MWL8K_STA_RATE_INFO_MCS_FORMAT) 83054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->flag |= RX_FLAG_HT; 83154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 83254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->band = IEEE80211_BAND_2GHZ; 83354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek status->freq = ieee80211_channel_to_frequency(rxd->channel); 83454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 83520f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek *qos = rxd->qos_control; 83620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek 83754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek return le16_to_cpu(rxd->pkt_len); 83854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek} 83954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 84089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhekstatic struct rxd_ops rxd_sta_ops = { 84189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_size = sizeof(struct mwl8k_rxd_sta), 84289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_init = mwl8k_rxd_sta_init, 84389a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_refill = mwl8k_rxd_sta_refill, 84489a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .rxd_process = mwl8k_rxd_sta_process, 84554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek}; 84654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 84754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_DESCS 256 849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RX_MAXSZ 3800 850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_rxq_init(struct ieee80211_hw *hw, int index) 852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 85845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count = 0; 85945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->head = 0; 86045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->tail = 0; 861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 86254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek size = MWL8K_RX_DESCS * priv->rxd_ops->rxd_size; 863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 86445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = pci_alloc_consistent(priv->pdev, size, &rxq->rxd_dma); 86545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (rxq->rxd == NULL) { 866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX descriptors\n", 867c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 87045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(rxq->rxd, 0, size); 871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 872788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = kmalloc(MWL8K_RX_DESCS * sizeof(*rxq->buf), GFP_KERNEL); 873788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf == NULL) { 874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc RX skbuff list\n", 875c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 87645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, rxq->rxd, rxq->rxd_dma); 877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 879788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek memset(rxq->buf, 0, MWL8K_RX_DESCS * sizeof(*rxq->buf)); 880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 88254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int desc_size; 88354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 884a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 88554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek dma_addr_t next_dma_addr; 88654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 88754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek desc_size = priv->rxd_ops->rxd_size; 88854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (i * priv->rxd_ops->rxd_size); 889a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 89054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = i + 1; 89154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (nexti == MWL8K_RX_DESCS) 89254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek nexti = 0; 89354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek next_dma_addr = rxq->rxd_dma + (nexti * desc_size); 894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 89554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_init(rxd, next_dma_addr); 896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_refill(struct ieee80211_hw *hw, int index, int limit) 902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 905a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int refilled; 906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled = 0; 90845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count < MWL8K_RX_DESCS && limit--) { 909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 910788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek dma_addr_t addr; 911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rx; 91254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb = dev_alloc_skb(MWL8K_RX_MAXSZ); 915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (skb == NULL) 916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 918788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek addr = pci_map_single(priv->pdev, skb->data, 919788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, DMA_FROM_DEVICE); 920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 92154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->rxd_count++; 92254bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rx = rxq->tail++; 92354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->tail == MWL8K_RX_DESCS) 92454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->tail = 0; 925788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rx].skb = skb; 926788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[rx], dma, addr); 92754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 92854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rx * priv->rxd_ops->rxd_size); 92954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek priv->rxd_ops->rxd_refill(rxd, addr, MWL8K_RX_MAXSZ); 930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek refilled++; 932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return refilled; 935a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 936a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 937a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* Must be called only when the card's reception is completely halted */ 938a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_rxq_deinit(struct ieee80211_hw *hw, int index) 939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 940a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 941a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 942a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 944a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_RX_DESCS; i++) { 945788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek if (rxq->buf[i].skb != NULL) { 946788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 947788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr(&rxq->buf[i], dma), 948788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 949788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[i], dma, 0); 950788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 951788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree_skb(rxq->buf[i].skb); 952788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[i].skb = NULL; 953a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 954a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 956788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek kfree(rxq->buf); 957788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf = NULL; 958a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 959a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 96054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek MWL8K_RX_DESCS * priv->rxd_ops->rxd_size, 96145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd, rxq->rxd_dma); 96245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd = NULL; 963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 964a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 965a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 967a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Scan a list of BSSIDs to process for finalize join. 968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Allows for extension to process multiple BSSIDs. 969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline int 971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_capture_bssid(struct mwl8k_priv *priv, struct ieee80211_hdr *wh) 972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return priv->capture_beacon && 974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_is_beacon(wh->frame_control) && 975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek !compare_ether_addr(wh->addr3, priv->capture_bssid); 976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 9783779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhekstatic inline void mwl8k_save_beacon(struct ieee80211_hw *hw, 9793779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct sk_buff *skb) 980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 9813779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 9823779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek 983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = false; 984d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memset(priv->capture_bssid, 0, ETH_ALEN); 985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Use GFP_ATOMIC as rxq_process is called from 988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * the primary interrupt handler, memory allocation call 989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * must not sleep. 990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = skb_copy(skb, GFP_ATOMIC); 992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 9933779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek ieee80211_queue_work(hw, &priv->finalize_join_worker); 994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int rxq_process(struct ieee80211_hw *hw, int index, int limit) 997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 998a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rx_queue *rxq = priv->rxq + index; 1000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int processed; 1001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1002a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed = 0; 100345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (rxq->rxd_count && limit--) { 1004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 100554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek void *rxd; 100654bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek int pkt_len; 1007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_rx_status status; 100820f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek __le16 qos; 1009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1010788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek skb = rxq->buf[rxq->head].skb; 1011d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek if (skb == NULL) 1012d25f9f1357139bbdc79bc960ea84909a7c22ec2bLennert Buytenhek break; 101354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 101454bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxd = rxq->rxd + (rxq->head * priv->rxd_ops->rxd_size); 101554bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 101620f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek pkt_len = priv->rxd_ops->rxd_process(rxd, &status, &qos); 101754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (pkt_len < 0) 101854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek break; 101954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 1020788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek rxq->buf[rxq->head].skb = NULL; 1021788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek 1022788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_single(priv->pdev, 1023788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr(&rxq->buf[rxq->head], dma), 1024788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek MWL8K_RX_MAXSZ, PCI_DMA_FROMDEVICE); 1025788838ebe8a4caca93a91982c7bbf393edf24c08Lennert Buytenhek pci_unmap_addr_set(&rxq->buf[rxq->head], dma, 0); 1026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 102754bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head++; 102854bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (rxq->head == MWL8K_RX_DESCS) 102954bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek rxq->head = 0; 103054bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek 103145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek rxq->rxd_count--; 1032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 103354bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek skb_put(skb, pkt_len); 103420f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, qos); 1035a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1037c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Check for a pending join operation. Save a 1038c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * copy of the beacon and schedule a tasklet to 1039c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * send a FINALIZE_JOIN command to the firmware. 1040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 104154bc3a0d7a0c9a13da31183609c42cf7786138e1Lennert Buytenhek if (mwl8k_capture_bssid(priv, (void *)skb->data)) 10423779752d764b86077375510b1fd13d8fb2c7c3a5Lennert Buytenhek mwl8k_save_beacon(hw, skb); 1043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1044f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status)); 1045f1d58c2521eb160178b2151d6326d8dc5d7c8560Johannes Berg ieee80211_rx_irqsafe(hw, skb); 1046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek processed++; 1048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1050a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return processed; 1051a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1054a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1055a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Packet transmission. 1056a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1057a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK 0x00000001 1059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_RETRY 0x00000002 1060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_OK_MORE_RETRY 0x00000004 1061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_MULTICAST_TX 0x00000008 1062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TXD_STATUS_FW_OWNED 0x80000000 1063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1064e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_QLEN_UNSPEC 0xff00 1065e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_MASK 0x0060 1066e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_NORMAL 0x0000 1067e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_ACK_POLICY_BLOCKACK 0x0060 1068e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek#define MWL8K_QOS_EOSP 0x0010 1069e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek 1070a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_tx_desc { 1071a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 status; 1072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 data_rate; 1073a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_priority; 1074a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 qos_control; 1075a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 pkt_phys_addr; 1076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 pkt_len; 1077d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 dest_MAC_addr[ETH_ALEN]; 107845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 next_txd_phys_addr; 1079a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved; 1080a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 rate_info; 1081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 peer_id; 1082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 tx_frag_cnt; 1083a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1084a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1085a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_DESCS 128 1086a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1087a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_txq_init(struct ieee80211_hw *hw, int index) 1088a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1089a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1090a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1091a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int size; 1092a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1093a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 109445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(&txq->stats, 0, sizeof(struct ieee80211_tx_queue_stats)); 109545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.limit = MWL8K_TX_DESCS; 109645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = 0; 109745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 1098a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1099a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek size = MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc); 1100a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 110145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = pci_alloc_consistent(priv->pdev, size, &txq->txd_dma); 110245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->txd == NULL) { 1103a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX descriptors\n", 1104c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 1105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 110745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->txd, 0, size); 1108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 110945eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = kmalloc(MWL8K_TX_DESCS * sizeof(*txq->skb), GFP_KERNEL); 111045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->skb == NULL) { 1111a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to alloc TX skbuff list\n", 1112c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 111345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek pci_free_consistent(priv->pdev, size, txq->txd, txq->txd_dma); 1114a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 111645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memset(txq->skb, 0, MWL8K_TX_DESCS * sizeof(*txq->skb)); 1117a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1118a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_DESCS; i++) { 1119a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1120a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int nexti; 1121a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 112245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + i; 1123a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek nexti = (i + 1) % MWL8K_TX_DESCS; 1124a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1125a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status = 0; 112645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc->next_txd_phys_addr = 112745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cpu_to_le32(txq->txd_dma + nexti * sizeof(*tx_desc)); 1128a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1129a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1130a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1132a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic inline void mwl8k_tx_start(struct mwl8k_priv *priv) 1134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_PPA_READY, 1136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ioread32(priv->regs + MWL8K_HIU_INT_CODE); 1140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11427e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhekstatic void mwl8k_dump_tx_rings(struct ieee80211_hw *hw) 1143a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 11447e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 11457e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int i; 11467e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 11477e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 11487e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + i; 11497e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int fw_owned = 0; 11507e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int drv_owned = 0; 11517e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int unused = 0; 11527e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int desc; 11537e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1154a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (desc = 0; desc < MWL8K_TX_DESCS; desc++) { 11557e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek struct mwl8k_tx_desc *tx_desc = txq->txd + desc; 11567e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek u32 status; 1157a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11587e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek status = le32_to_cpu(tx_desc->status); 1159a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) 11607e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned++; 1161a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek else 11627e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek drv_owned++; 1163a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1164a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_desc->pkt_len == 0) 11657e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unused++; 1166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11687e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek printk(KERN_ERR "%s: txq[%d] len=%d head=%d tail=%d " 11697e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek "fw_owned=%d drv_owned=%d unused=%d\n", 11707e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy), i, 11717e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek txq->stats.len, txq->head, txq->tail, 11727e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek fw_owned, drv_owned, unused); 11737e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 1174a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1175a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1176618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 117788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek * Must be called with priv->fw_mutex held and tx queues stopped. 1178618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 11797e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek#define MWL8K_TX_WAIT_TIMEOUT_MS 1000 11807e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1181950d5b0191dc3e71017f336017f75f6189f39f08Lennert Buytenhekstatic int mwl8k_tx_wait_empty(struct ieee80211_hw *hw) 1182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 118488de754ad59025eba797e7a8375807755577f450Lennert Buytenhek DECLARE_COMPLETION_ONSTACK(tx_wait); 11857e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int retry; 11867e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int rc; 1187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek might_sleep(); 1189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 11907e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek /* 11917e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * The TX queues are stopped at this point, so this test 11927e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek * doesn't need to take ->tx_lock. 11937e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek */ 11947e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (!priv->pending_tx_pkts) 11957e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return 0; 11967e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 11977e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 0; 11987e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = 0; 11997e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 12017e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->tx_wait = &tx_wait; 12027e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek while (!rc) { 12037e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek int oldcount; 12047e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek unsigned long timeout; 1205a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12067e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek oldcount = priv->pending_tx_pkts; 1207a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12087e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 120988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek timeout = wait_for_completion_timeout(&tx_wait, 12107e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek msecs_to_jiffies(MWL8K_TX_WAIT_TIMEOUT_MS)); 1211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 12127e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 12137e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (timeout) { 12147e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek WARN_ON(priv->pending_tx_pkts); 12157e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (retry) { 12167e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek printk(KERN_NOTICE "%s: tx rings drained\n", 12177e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy)); 12187e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 12197e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek break; 12207e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 12217e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 12227e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek if (priv->pending_tx_pkts < oldcount) { 12239a2303b93039d0f3dd578cd75fe20ebaf075f1cbLennert Buytenhek printk(KERN_NOTICE "%s: waiting for tx rings " 12249a2303b93039d0f3dd578cd75fe20ebaf075f1cbLennert Buytenhek "to drain (%d -> %d pkts)\n", 12257e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy), oldcount, 12267e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek priv->pending_tx_pkts); 12277e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek retry = 1; 12287e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek continue; 12297e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek } 12307e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 1231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->tx_wait = NULL; 1232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12337e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek printk(KERN_ERR "%s: tx rings stuck for %d ms\n", 12347e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek wiphy_name(hw->wiphy), MWL8K_TX_WAIT_TIMEOUT_MS); 12357e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek mwl8k_dump_tx_rings(hw); 12367e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek 12377e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek rc = -ETIMEDOUT; 1238a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 12397e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 12417e1112d34aea10fdd689422e6bdc918309043bf3Lennert Buytenhek return rc; 1242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1244c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek#define MWL8K_TXD_SUCCESS(status) \ 1245c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek ((status) & (MWL8K_TXD_STATUS_OK | \ 1246c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_RETRY | \ 1247c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek MWL8K_TXD_STATUS_OK_MORE_RETRY)) 1248a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) 1250a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1253a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int wake = 0; 1254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 125545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek while (txq->stats.len > 0) { 1256a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int tx; 1257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx_desc; 1258a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long addr; 1259ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek int size; 1260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb; 1261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *info; 1262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 1263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 126445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->head; 126545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx_desc = txq->txd + tx; 1266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1267a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = le32_to_cpu(tx_desc->status); 1268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_TXD_STATUS_FW_OWNED) { 1270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!force) 1271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek break; 1272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->status &= 1273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ~cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED); 1274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 127645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->head = (tx + 1) % MWL8K_TX_DESCS; 127745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->stats.len == 0); 127845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.len--; 1279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts--; 1280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek addr = le32_to_cpu(tx_desc->pkt_phys_addr); 1282ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek size = le16_to_cpu(tx_desc->pkt_len); 128345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek skb = txq->skb[tx]; 128445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[tx] = NULL; 1285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUG_ON(skb == NULL); 1287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unmap_single(priv->pdev, addr, size, PCI_DMA_TODEVICE); 1288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 128920f09c3df7a8a623c290f62596c1a6b0da088030Lennert Buytenhek mwl8k_remove_dma_header(skb, tx_desc->qos_control); 1290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Mark descriptor as unused */ 1292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_phys_addr = 0; 1293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_desc->pkt_len = 0; 1294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info = IEEE80211_SKB_CB(skb); 1296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_info_clear_status(info); 1297ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek if (MWL8K_TXD_SUCCESS(status)) 1298a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek info->flags |= IEEE80211_TX_STAT_ACK; 1299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_tx_status_irqsafe(hw, skb); 1301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1302618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek wake = 1; 1303a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1305618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (wake && priv->radio_on && !mutex_is_locked(&priv->fw_mutex)) 1306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_wake_queue(hw, index); 1307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1309a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* must be called only when the card's transmit is completely halted */ 1310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_txq_deinit(struct ieee80211_hw *hw, int index) 1311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq = priv->txq + index; 1314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, index, 1); 1316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 131745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek kfree(txq->skb); 131845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb = NULL; 1319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 1321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_TX_DESCS * sizeof(struct mwl8k_tx_desc), 132245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd, txq->txd_dma); 132345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->txd = NULL; 1324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_txq_xmit(struct ieee80211_hw *hw, int index, struct sk_buff *skb) 1328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_info *tx_info; 133123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek struct mwl8k_vif *mwl8k_vif; 1332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hdr *wh; 1333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 1334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_desc *tx; 1335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma; 133623b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u32 txstatus; 133723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u8 txdatarate; 133823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek u16 qos; 1339a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = (struct ieee80211_hdr *)skb->data; 134123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_data_qos(wh->frame_control)) 134223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = le16_to_cpu(*((__le16 *)ieee80211_get_qos_ctl(wh))); 134323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 134423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek qos = 0; 1345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 134676266b2ad38c33fb2c1475cfeb35ed070adaba2bLennert Buytenhek mwl8k_add_dma_header(skb); 134723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek wh = &((struct mwl8k_dma_data *)skb->data)->wh; 1348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx_info = IEEE80211_SKB_CB(skb); 1350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif = MWL8K_VIF(tx_info->control.vif); 1351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1352a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) { 1353a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u16 seqno = mwl8k_vif->seqno; 135423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); 1356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wh->seq_ctrl |= cpu_to_le16(seqno << 4); 1357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = seqno++ % 4096; 1358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1359a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 136023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek /* Setup firmware control bit fields for each frame type. */ 136123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus = 0; 136223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 136323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (ieee80211_is_mgmt(wh->frame_control) || 136423b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek ieee80211_is_ctl(wh->frame_control)) { 136523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 0; 1366e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_QLEN_UNSPEC | MWL8K_QOS_EOSP; 136723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } else if (ieee80211_is_data(wh->frame_control)) { 136823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txdatarate = 1; 136923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (is_multicast_ether_addr(wh->addr1)) 137023b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txstatus |= MWL8K_TXD_STATUS_MULTICAST_TX; 137123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 1372e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos &= ~MWL8K_QOS_ACK_POLICY_MASK; 137323b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) 1374e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_BLOCKACK; 137523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek else 1376e0493a8dd6351a114b53790dda6bd855ae73a85cLennert Buytenhek qos |= MWL8K_QOS_ACK_POLICY_NORMAL; 137723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek } 1378a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma = pci_map_single(priv->pdev, skb->data, 1380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek skb->len, PCI_DMA_TODEVICE); 1381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma)) { 1383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: failed to dma map skb, " 1384c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "dropping TX frame.\n", wiphy_name(hw->wiphy)); 138523b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek dev_kfree_skb(skb); 1386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1387a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 138923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek spin_lock_bh(&priv->tx_lock); 1390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 139123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek txq = priv->txq + index; 1392a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 139345eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek BUG_ON(txq->skb[txq->tail] != NULL); 139445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->skb[txq->tail] = skb; 1395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 139645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek tx = txq->txd + txq->tail; 139723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->data_rate = txdatarate; 139823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->tx_priority = index; 1399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->qos_control = cpu_to_le16(qos); 1400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_phys_addr = cpu_to_le32(dma); 1401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tx->pkt_len = cpu_to_le16(skb->len); 140223b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->rate_info = 0; 1403a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (!priv->ap_fw && tx_info->control.sta != NULL) 1404a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = MWL8K_STA(tx_info->control.sta)->peer_id; 1405a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek else 1406a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek tx->peer_id = 0; 1407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek wmb(); 140823b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek tx->status = cpu_to_le32(MWL8K_TXD_STATUS_FW_OWNED | txstatus); 140923b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 141045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.count++; 141145eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->stats.len++; 1412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pending_tx_pkts++; 1413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 141445eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail++; 141545eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->tail == MWL8K_TX_DESCS) 141645eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek txq->tail = 0; 141723b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek 141845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek if (txq->head == txq->tail) 1419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queue(hw, index); 1420a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 142123b339062f247e0be84eaabb15e17b403c4388b6Lennert Buytenhek mwl8k_tx_start(priv); 1422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 1424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 1426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1430618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * Firmware access. 1431618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1432618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * We have the following requirements for issuing firmware commands: 1433618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - Some commands require that the packet transmit path is idle when 1434618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the command is issued. (For simplicity, we'll just quiesce the 1435618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * transmit path for every command.) 1436618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * - There are certain sequences of commands that need to be issued to 1437618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * the hardware sequentially, with no other intervening commands. 1438618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * 1439618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * This leads to an implementation of a "firmware lock" as a mutex that 1440618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * can be taken recursively, and which is taken by both the low-level 1441618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * command submission function (mwl8k_post_cmd) as well as any users of 1442618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * that function that require issuing of an atomic sequence of commands, 1443618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek * and quiesces the transmit path whenever it's taken. 1444618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek */ 1445618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic int mwl8k_fw_lock(struct ieee80211_hw *hw) 1446618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1447618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1448618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1449618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->fw_mutex_owner != current) { 1450618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek int rc; 1451618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1452618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_lock(&priv->fw_mutex); 1453618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_stop_queues(hw); 1454618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1455618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_tx_wait_empty(hw); 1456618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (rc) { 1457618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1458618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1459618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1460618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 1461618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1462618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1463618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = current; 1464618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1465618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1466618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth++; 1467618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1468618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return 0; 1469618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1470618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1471618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhekstatic void mwl8k_fw_unlock(struct ieee80211_hw *hw) 1472618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek{ 1473618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1474618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1475618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!--priv->fw_mutex_depth) { 1476618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek ieee80211_wake_queues(hw); 1477618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 1478618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_unlock(&priv->fw_mutex); 1479618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek } 1480618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek} 1481618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1482618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1483618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek/* 1484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Command processing. 1485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1486a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 14870c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek/* Timeout firmware commands after 10s */ 14880c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek#define MWL8K_CMD_TIMEOUT_MS 10000 1489a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_post_cmd(struct ieee80211_hw *hw, struct mwl8k_cmd_pkt *cmd) 1491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek DECLARE_COMPLETION_ONSTACK(cmd_wait); 1493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek void __iomem *regs = priv->regs; 1495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr_t dma_addr; 1496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned int dma_size; 1497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek unsigned long timeout = 0; 1499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u8 buf[32]; 1500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1501c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek cmd->result = 0xffff; 1502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_size = le16_to_cpu(cmd->length); 1503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dma_addr = pci_map_single(priv->pdev, cmd, dma_size, 1504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (pci_dma_mapping_error(priv->pdev, dma_addr)) 1506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1508618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek rc = mwl8k_fw_lock(hw); 150939a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek if (rc) { 151039a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 151139a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek PCI_DMA_BIDIRECTIONAL); 1512618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek return rc; 151339a1e42eb4d0a2bc3f1211e9012bd23734ab86dbLennert Buytenhek } 1514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hostcmd_wait = &cmd_wait; 1516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(dma_addr, regs + MWL8K_HIU_GEN_PTR); 1517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DOORBELL, 1518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(MWL8K_H2A_INT_DUMMY, 1520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek regs + MWL8K_HIU_H2A_INTERRUPT_EVENTS); 1521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek timeout = wait_for_completion_timeout(&cmd_wait, 1523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek msecs_to_jiffies(MWL8K_CMD_TIMEOUT_MS)); 1524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1525618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 1526618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 1527618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_fw_unlock(hw); 1528618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 152937055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek pci_unmap_single(priv->pdev, dma_addr, dma_size, 153037055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek PCI_DMA_BIDIRECTIONAL); 153137055bd455b31b8220c35a1ede9c6aceb791cc88Lennert Buytenhek 1532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!timeout) { 1533a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s timeout after %u ms\n", 1534c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 1536a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_CMD_TIMEOUT_MS); 1537a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ETIMEDOUT; 1538a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } else { 15390c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek int ms; 15400c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 15410c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms = MWL8K_CMD_TIMEOUT_MS - jiffies_to_msecs(timeout); 15420c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek 1543ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek rc = cmd->result ? -EINVAL : 0; 1544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 1545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Command %s error 0x%x\n", 1546c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy), 1547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 154876c962a204f8d36b762440aa941fcea3d44e2fd2Lennert Buytenhek le16_to_cpu(cmd->result)); 15490c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek else if (ms > 2000) 15500c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek printk(KERN_NOTICE "%s: Command %s took %d ms\n", 15510c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek wiphy_name(hw->wiphy), 15520c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek mwl8k_cmd_name(cmd->code, buf, sizeof(buf)), 15530c9cc640225f4bd7c9aad87b1431bd8d9a29b338Lennert Buytenhek ms); 1554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1556a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1559a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 156004b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek * CMD_GET_HW_SPEC (STA version). 1561a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 156204b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_sta { 1563a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 hw_rev; 1565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 host_interface; 1566a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 num_mcaddrs; 1567d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 1568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 region_code; 1569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 fw_rev; 1570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 ps_cookie; 1571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps; 1572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 mcs_bitmap[16]; 1573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rx_queue_ptr; 1574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_queues; 1575a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 1576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 caps2; 1577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_tx_desc_per_queue; 157845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek __le32 total_rxd; 1579a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 158104b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_sta(struct ieee80211_hw *hw) 1582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1583a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 158404b147b19303724aac5ee8e56f113f1935a5c255Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_sta *cmd; 1585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 1587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1592a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 1593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1595a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 1596a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 159745eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 15984ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 1599a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 160045eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 16014ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 160245eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 1603a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1605a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1606a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1607a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 1608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 16094ff6432ea620ba467e50ec04b8271ea0eb94e62eLennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 1610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw_rev = cmd->hw_rev; 1611a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1613a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1614a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1617a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 161842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_GET_HW_SPEC (AP version). 161942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 162042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_get_hw_spec_ap { 162142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 162242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 162342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 162442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_wcb; 162542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 162642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 162742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 162842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_antenna; 162942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 163042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase0; 163142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxwrptr; 163242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rxrdptr; 163342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 163442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase1; 163542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase2; 163642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 wcbbase3; 163742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} __attribute__((packed)); 163842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 163942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_get_hw_spec_ap(struct ieee80211_hw *hw) 164042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 164142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 164242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_get_hw_spec_ap *cmd; 164342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 164442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 164542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 164642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 164742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 164842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 164942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_HW_SPEC); 165042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 165142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 165242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek memset(cmd->perm_addr, 0xff, sizeof(cmd->perm_addr)); 165342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 165442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 165542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 165642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 165742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) { 165842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int off; 165942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 166042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek SET_IEEE80211_PERM_ADDR(hw, cmd->perm_addr); 166142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->num_mcaddrs = le16_to_cpu(cmd->num_mcaddrs); 166242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->fw_rev = le32_to_cpu(cmd->fw_rev); 166342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek priv->hw_rev = cmd->hw_rev; 166442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 166542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase0) & 0xffff; 166642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[0].txd_dma), priv->sram + off); 166742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 166842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxwrptr) & 0xffff; 166942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off); 167042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 167142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->rxrdptr) & 0xffff; 167242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->rxq[0].rxd_dma), priv->sram + off); 167342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 167442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase1) & 0xffff; 167542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[1].txd_dma), priv->sram + off); 167642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 167742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase2) & 0xffff; 167842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[2].txd_dma), priv->sram + off); 167942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 168042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek off = le32_to_cpu(cmd->wcbbase3) & 0xffff; 168142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek iowrite32(cpu_to_le32(priv->txq[3].txd_dma), priv->sram + off); 168242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 168342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 168442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 168542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 168642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 168742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 168842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 168942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek * CMD_SET_HW_SPEC. 169042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek */ 169142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstruct mwl8k_cmd_set_hw_spec { 169242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_pkt header; 169342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 hw_rev; 169442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 host_interface; 169542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 num_mcaddrs; 169642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __u8 perm_addr[ETH_ALEN]; 169742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le16 region_code; 169842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 fw_rev; 169942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 ps_cookie; 170042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 caps; 170142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 rx_queue_ptr; 170242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_queues; 170342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 tx_queue_ptrs[MWL8K_TX_QUEUES]; 170442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 flags; 170542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 num_tx_desc_per_queue; 170642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek __le32 total_rxd; 170742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} __attribute__((packed)); 170842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 170942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek#define MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT 0x00000080 171042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 171142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhekstatic int mwl8k_cmd_set_hw_spec(struct ieee80211_hw *hw) 171242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek{ 171342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 171442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek struct mwl8k_cmd_set_hw_spec *cmd; 171542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int rc; 171642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek int i; 171742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 171842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 171942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (cmd == NULL) 172042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return -ENOMEM; 172142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 172242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_HW_SPEC); 172342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 172442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 172542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->ps_cookie = cpu_to_le32(priv->cookie_dma); 172642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->rx_queue_ptr = cpu_to_le32(priv->rxq[0].rxd_dma); 172742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_queues = cpu_to_le32(MWL8K_TX_QUEUES); 172842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 172942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->tx_queue_ptrs[i] = cpu_to_le32(priv->txq[i].txd_dma); 173042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->flags = cpu_to_le32(MWL8K_SET_HW_SPEC_FLAG_HOST_DECR_MGMT); 173142fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->num_tx_desc_per_queue = cpu_to_le32(MWL8K_TX_DESCS); 173242fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek cmd->total_rxd = cpu_to_le32(MWL8K_RX_DESCS); 173342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 173442fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 173542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek kfree(cmd); 173642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 173742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek return rc; 173842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek} 173942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek 174042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek/* 1741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_MAC_MULTICAST_ADR. 1742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_mac_multicast_adr { 1744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 numaddr; 1747ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek __u8 addr[0][ETH_ALEN]; 1748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 1749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1750d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_DIRECTED 0x0001 1751d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_MULTICAST 0x0002 1752d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_ALL_MULTICAST 0x0004 1753d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek#define MWL8K_ENABLE_RX_BROADCAST 0x0008 1754ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1755e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic struct mwl8k_cmd_pkt * 1756447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek__mwl8k_cmd_mac_multicast_adr(struct ieee80211_hw *hw, int allmulti, 1757e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 1758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1759e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_mac_multicast_adr *cmd; 1761e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int size; 1762e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1763447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (allmulti || mc_count > priv->num_mcaddrs) { 1764d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek allmulti = 1; 1765d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mc_count = 0; 1766d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1767e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 1768e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek size = sizeof(*cmd) + mc_count * ETH_ALEN; 1769ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek 1770e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek cmd = kzalloc(size, GFP_ATOMIC); 1771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1772e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return NULL; 1773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MAC_MULTICAST_ADR); 1775a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(size); 1776d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_ENABLE_RX_DIRECTED | 1777d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek MWL8K_ENABLE_RX_BROADCAST); 1778d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1779d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (allmulti) { 1780d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_ALL_MULTICAST); 1781d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } else if (mc_count) { 1782d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek int i; 1783d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek 1784d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->action |= cpu_to_le16(MWL8K_ENABLE_RX_MULTICAST); 1785d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek cmd->numaddr = cpu_to_le16(mc_count); 1786d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek for (i = 0; i < mc_count && mclist; i++) { 1787d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek if (mclist->da_addrlen != ETH_ALEN) { 1788d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek kfree(cmd); 1789d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek return NULL; 1790d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek } 1791d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek memcpy(cmd->addr[i], mclist->da_addr, ETH_ALEN); 1792d5e308457e8e9b4988fbd69d38c30782125b3f65Lennert Buytenhek mclist = mclist->next; 1793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1794a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1795a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1796e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return &cmd->header; 1797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1798a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1799a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 180055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_GET_STAT. 1801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 180255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_get_stat { 1803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1804a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 stats[64]; 1805a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1806a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_ACK_FAILURE 9 1808a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_FAILURE 12 1809a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_FCS_ERROR 24 1810a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_STAT_RTS_SUCCESS 11 1811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 181255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_get_stat(struct ieee80211_hw *hw, 181355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_low_level_stats *stats) 1814a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 181555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_get_stat *cmd; 1816a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1817a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1818a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1819a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1820a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1821a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_GET_STAT); 1823a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1824a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1826a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) { 1827a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11ACKFailureCount = 1828a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_ACK_FAILURE]); 1829a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSFailureCount = 1830a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_FAILURE]); 1831a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11FCSErrorCount = 1832a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_FCS_ERROR]); 1833a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek stats->dot11RTSSuccessCount = 1834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek le32_to_cpu(cmd->stats[MWL8K_STAT_RTS_SUCCESS]); 1835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 1836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 184255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RADIO_CONTROL. 1843a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 184455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_radio_control { 1845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 control; 1848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 radio_on; 1849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1851c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhekstatic int 185255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_radio_control(struct ieee80211_hw *hw, bool enable, bool force) 1853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 185555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_radio_control *cmd; 1856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1858c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek if (enable == priv->radio_on && !force) 1859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 1860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1865a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RADIO_CONTROL); 1866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 186868ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek cmd->control = cpu_to_le16(priv->radio_short_preamble ? 3 : 1); 1869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->radio_on = cpu_to_le16(enable ? 0x0001 : 0x0000); 1870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!rc) 1875c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = enable; 1876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1879a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 188055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_disable(struct ieee80211_hw *hw) 1881c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 188255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 0, 0); 1883c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1884c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 188555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_radio_enable(struct ieee80211_hw *hw) 1886c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek{ 188755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 0); 1888c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek} 1889c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek 1890a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 1891a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) 1892a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 189399200a992e365a73dc67a6570524e5f3af4386ddLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 1894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 189568ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = short_preamble; 1896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 189755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_radio_control(hw, 1, 1); 1898a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1899a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1900a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 190155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_RF_TX_POWER. 1902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_TX_POWER_LEVEL_TOTAL 8 1904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 190555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_rf_tx_power { 1906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 1908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 support_level; 1909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 current_level; 1910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 reserved; 1911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 power_level_list[MWL8K_TX_POWER_LEVEL_TOTAL]; 1912a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 191455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_rf_tx_power(struct ieee80211_hw *hw, int dBm) 1915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 191655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_rf_tx_power *cmd; 1917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1919a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1920a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_TX_POWER); 1924a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 1926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->support_level = cpu_to_le16(dBm); 1927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1928a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1930a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1931a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1932a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1933a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1934a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 193508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek * CMD_RF_ANTENNA. 193608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek */ 193708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstruct mwl8k_cmd_rf_antenna { 193808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_pkt header; 193908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 antenna; 194008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek __le16 mode; 194108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} __attribute__((packed)); 194208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 194308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_RX 1 194408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek#define MWL8K_RF_ANTENNA_TX 2 194508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 194608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekstatic int 194708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhekmwl8k_cmd_rf_antenna(struct ieee80211_hw *hw, int antenna, int mask) 194808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek{ 194908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek struct mwl8k_cmd_rf_antenna *cmd; 195008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek int rc; 195108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 195208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 195308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (cmd == NULL) 195408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return -ENOMEM; 195508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 195608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RF_ANTENNA); 195708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 195808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->antenna = cpu_to_le16(antenna); 195908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek cmd->mode = cpu_to_le16(mask); 196008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 196108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 196208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek kfree(cmd); 196308b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 196408b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek return rc; 196508b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek} 196608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek 196708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek/* 1968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_PRE_SCAN. 1969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1970a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_pre_scan { 1971a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1972a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 1973a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_pre_scan(struct ieee80211_hw *hw) 1975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 1976a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_pre_scan *cmd; 1977a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 1978a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1979a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 1980a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 1981a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 1982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1983a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_PRE_SCAN); 1984a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 1985a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1986a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 1987a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 1988a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1989a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 1990a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 1991a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 1992a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 1993a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_POST_SCAN. 1994a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 1995a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_post_scan { 1996a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 1997a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 isibss; 1998d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek __u8 bssid[ETH_ALEN]; 1999a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2000a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2001a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 20020a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhekmwl8k_cmd_set_post_scan(struct ieee80211_hw *hw, const __u8 *mac) 2003a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2004a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_post_scan *cmd; 2005a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2006a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2007a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2008a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2009a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2010a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2011a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_POST_SCAN); 2012a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->isibss = 0; 2014d89173f25228b8795af2d4b53e985cc44c729332Lennert Buytenhek memcpy(cmd->bssid, mac, ETH_ALEN); 2015a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2016a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2017a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2018a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2020a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2021a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2022a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2023a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_RF_CHANNEL. 2024a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2025a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_rf_channel { 2026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2027a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2028a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __u8 current_channel; 2029a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 channel_flags; 2030a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2031a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_set_rf_channel(struct ieee80211_hw *hw, 2033610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_conf *conf) 2034a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2035610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek struct ieee80211_channel *channel = conf->channel; 2036a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_rf_channel *cmd; 2037a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2038a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2040a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2041a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RF_CHANNEL); 2044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 2046a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->current_channel = channel->hw_value; 2047610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (channel->band == IEEE80211_BAND_2GHZ) 2049610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000001); 2050610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek 2051610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek if (conf->channel_type == NL80211_CHAN_NO_HT || 2052610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek conf->channel_type == NL80211_CHAN_HT20) 2053610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x00000080); 2054610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40MINUS) 2055610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000001900); 2056610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek else if (conf->channel_type == NL80211_CHAN_HT40PLUS) 2057610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek cmd->channel_flags |= cpu_to_le32(0x000000900); 2058a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2059a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2060a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2061a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2062a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2063a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2064a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2065a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 206655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_AID. 2067a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 206855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_DISABLED 0x00 206955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11G 0x07 207055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY 0x02 207155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FRAME_PROT_11N_HT_ALL 0x06 2072a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 207355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_set_aid { 207455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 207555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 aid; 2076a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 207755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* AP's MAC address (BSSID) */ 207855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 bssid[ETH_ALEN]; 207955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 protection_mode; 208055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 supp_rates[14]; 2081a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2082a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2083c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekstatic void legacy_rate_mask_to_array(u8 *rates, u32 mask) 2084c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek{ 2085c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int i; 2086c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek int j; 2087c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2088c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek /* 2089c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek * Clear nonstandard rates 4 and 13. 2090c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek */ 2091c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek mask &= 0x1fef; 2092c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2093c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek for (i = 0, j = 0; i < 14; i++) { 2094c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek if (mask & (1 << i)) 2095c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rates[j++] = mwl8k_rates[i].hw_value; 2096c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek } 2097c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek} 2098c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 209955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 2100c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_aid(struct ieee80211_hw *hw, 2101c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, u32 legacy_rate_mask) 2102a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 210355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_set_aid *cmd; 210455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 prot_mode; 2105a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2106a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2107a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2108a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2109a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2110a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 211155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_AID); 2112a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 21137dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek cmd->aid = cpu_to_le16(vif->bss_conf.aid); 21140a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(cmd->bssid, vif->bss_conf.bssid, ETH_ALEN); 2115a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 21167dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.use_cts_prot) { 211755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11G; 211855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 21197dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek switch (vif->bss_conf.ht_operation_mode & 212055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek IEEE80211_HT_OP_MODE_PROTECTION) { 212155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: 212255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_40MHZ_ONLY; 212355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 212455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: 212555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_11N_HT_ALL; 212655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 212755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek default: 212855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek prot_mode = MWL8K_FRAME_PROT_DISABLED; 212955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek break; 213055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 213155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 213255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->protection_mode = cpu_to_le16(prot_mode); 2133a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2134c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->supp_rates, legacy_rate_mask); 2135a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2136a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2138a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2139a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2140a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2141a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2142a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 214355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATE. 214432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek */ 214555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate { 214655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 214755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 legacy_rates[14]; 214855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 214955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Bitmap for supported MCS codes. */ 215055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mcs_set[16]; 215155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 reserved[16]; 215232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} __attribute__((packed)); 215332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 215455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int 2155c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhekmwl8k_cmd_set_rate(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 215613935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u32 legacy_rate_mask, u8 *mcs_rates) 215732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek{ 215855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate *cmd; 215932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek int rc; 216032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 216132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 216232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (cmd == NULL) 216332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return -ENOMEM; 216432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 216555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATE); 216632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2167c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek legacy_rate_mask_to_array(cmd->legacy_rates, legacy_rate_mask); 216813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->mcs_set, mcs_rates, 16); 216932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 217032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 217132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek kfree(cmd); 217232060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 217332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek return rc; 217432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek} 217532060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 217632060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek/* 217755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_FINALIZE_JOIN. 2178a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 217955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek#define MWL8K_FJ_BEACON_MAXLEN 128 218055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 218155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_finalize_join { 2182a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 218355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 sleep_interval; /* Number of beacon periods to sleep */ 218455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 beacon_data[MWL8K_FJ_BEACON_MAXLEN]; 2185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 218755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_finalize_join(struct ieee80211_hw *hw, void *frame, 218855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int framelen, int dtim) 2189a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 219055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_finalize_join *cmd; 219155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct ieee80211_mgmt *payload = frame; 219255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int payload_len; 2193a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2194a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2195a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2196a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2197a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2198a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 219955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_FINALIZE_JOIN); 2200a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 220155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->sleep_interval = cpu_to_le32(dtim ? dtim : 1); 220255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 220355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = framelen - ieee80211_hdrlen(payload->frame_control); 220455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (payload_len < 0) 220555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = 0; 220655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek else if (payload_len > MWL8K_FJ_BEACON_MAXLEN) 220755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek payload_len = MWL8K_FJ_BEACON_MAXLEN; 220855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 220955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->beacon_data, &payload->u.beacon, payload_len); 2210a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2211a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2212a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2213a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2214a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2215a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2216a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2217a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 221855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RTS_THRESHOLD. 2219a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 222055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rts_threshold { 2221a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2222a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 222355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 threshold; 2224a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2225a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 222655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rts_threshold(struct ieee80211_hw *hw, 222755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek u16 action, u16 threshold) 2228a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 222955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rts_threshold *cmd; 2230a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2231a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2232a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2233a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2234a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2235a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 223655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_RTS_THRESHOLD); 2237a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 223855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(action); 223955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->threshold = cpu_to_le16(threshold); 2240a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2241a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2242a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2243a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2244a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2245a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2246a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2247a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 224855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_SLOT. 2249a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 225055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_slot { 2251a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2252a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 225355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 short_slot; 2254a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2255a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 225655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_slot(struct ieee80211_hw *hw, bool short_slot_time) 2257a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 225855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_slot *cmd; 2259a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2260a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2261a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2262a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2263a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 226555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_SLOT); 2266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 226755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 226855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->short_slot = short_slot_time; 2269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2270a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2271a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2272a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2273a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2275a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2276a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2277a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_SET_EDCA_PARAMS. 2278a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2279a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_set_edca_params { 2280a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2281a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2282a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* See MWL8K_SET_EDCA_XXX below */ 2283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 action; 2284a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX opportunity in units of 32 us */ 2286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le16 txop; 2287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 22882e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek union { 22892e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 22902e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 22912e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_max; 22922e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 22932e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 22942e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __le32 log_cw_min; 22952e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 22962e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 22972e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 22982e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek 22992e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 23002e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 23012e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } ap; 23022e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct { 23032e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of max contention period: 0...15 */ 23042e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_max; 2305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23062e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Log exponent of min contention period: 0...15 */ 23072e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 log_cw_min; 2308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23092e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* Adaptive interframe spacing in units of 32us */ 23102e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 aifs; 2311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 23122e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek /* TX queue to configure */ 23132e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek __u8 txq; 23142e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } sta; 23152e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek }; 2316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_CW 0x01 2319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_TXOP 0x02 2320a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_AIFS 0x04 2321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_SET_EDCA_ALL (MWL8K_SET_EDCA_CW | \ 2323a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_TXOP | \ 2324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_SET_EDCA_AIFS) 2325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int 232755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekmwl8k_cmd_set_edca_params(struct ieee80211_hw *hw, __u8 qnum, 232855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u16 cw_min, __u16 cw_max, 232955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 aifs, __u16 txop) 2330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 23312e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_set_edca_params *cmd; 2333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 233922995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek /* 234022995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek * Queues 0 (BE) and 1 (BK) are swapped in hardware for 234122995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek * this call. 234222995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek */ 234322995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek qnum ^= !(qnum >> 1); 234422995b2411d4c5bbd832a54c4ef6ad3e24a2a34bLennert Buytenhek 2345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_EDCA_PARAMS); 2346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le16(MWL8K_SET_EDCA_ALL); 2348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->txop = cpu_to_le16(txop); 23492e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek if (priv->ap_fw) { 23502e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_max = cpu_to_le32(ilog2(cw_max + 1)); 23512e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.log_cw_min = cpu_to_le32(ilog2(cw_min + 1)); 23522e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.aifs = aifs; 23532e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->ap.txq = qnum; 23542e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } else { 23552e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_max = (u8)ilog2(cw_max + 1); 23562e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.log_cw_min = (u8)ilog2(cw_min + 1); 23572e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.aifs = aifs; 23582e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek cmd->sta.txq = qnum; 23592e484c8964f7845d320eb1161c514dbfcafdda78Lennert Buytenhek } 2360a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2361a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2362a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2363a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2364a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2365a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2366a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2367a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 236855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_WMM_MODE. 2369a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 237055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_wmm_mode { 2371a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 237255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 2373a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2374a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 237555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_wmm_mode(struct ieee80211_hw *hw, bool enable) 2376a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 237755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 237855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_wmm_mode *cmd; 2379a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2380a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2381a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2382a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2383a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2384a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 238555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_WMM_MODE); 2386a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 238755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(!!enable); 2388a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2389a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2390a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 239116cec43da50c4b4702653ca710549fd3457a4e6cLennert Buytenhek 239255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (!rc) 239355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek priv->wmm_enabled = enable; 2394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2397a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 239955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_MIMO_CONFIG. 2400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 240155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_mimo_config { 240255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 240355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 240455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 rx_antenna_map; 240555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 tx_antenna_map; 2406a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 240855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_mimo_config(struct ieee80211_hw *hw, __u8 rx, __u8 tx) 2409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 241055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_mimo_config *cmd; 2411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 241755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_MIMO_CONFIG); 2418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 241955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32((u32)MWL8K_CMD_SET); 242055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->rx_antenna_map = rx; 242155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->tx_antenna_map = tx; 2422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2425a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * CMD_USE_FIXED_RATE. 2431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_RATE_TABLE_SIZE 8 2433a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_UCAST_RATE 0 2434a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek#define MWL8K_USE_AUTO_RATE 0x0002 2435a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_entry { 2437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 if HT rate, 0 if legacy. */ 2438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 is_ht_rate; 2439a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set to 1 to use retry_count field. */ 2441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 enable_retry; 2442a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2443a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Specified legacy rate or MCS. */ 2444a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate; 2445a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Number of allowed retries. */ 2447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 retry_count; 2448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2449a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2450a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_rate_table { 2451a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 1 to allow specified rate and below */ 2452a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 allow_rate_drop; 2453a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 num_rates; 2454a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry rate_entry[MWL8K_RATE_TABLE_SIZE]; 2455a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2456a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2457a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstruct mwl8k_cmd_use_fixed_rate { 2458a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_pkt header; 2459a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 action; 2460a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_table rate_table; 2461a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2462a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Unicast, Broadcast or Multicast */ 2463a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 rate_type; 2464a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved1; 2465a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek __le32 reserved2; 2466a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} __attribute__((packed)); 2467a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2468a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_cmd_use_fixed_rate(struct ieee80211_hw *hw, 2469a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 action, u32 rate_type, struct mwl8k_rate_table *rate_table) 2470a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2471a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_cmd_use_fixed_rate *cmd; 2472a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int count; 2473a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2474a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2475a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2476a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (cmd == NULL) 2477a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -ENOMEM; 2478a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2479a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_USE_FIXED_RATE); 2480a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2481a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2482a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->action = cpu_to_le32(action); 2483a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_type = cpu_to_le32(rate_type); 2484a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2485a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rate_table != NULL) { 2486c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek /* 2487c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * Copy over each field manually so that endian 2488c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek * conversion can be done. 2489c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek */ 2490a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.allow_rate_drop = 2491a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->allow_rate_drop); 2492a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cmd->rate_table.num_rates = 2493a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cpu_to_le32(rate_table->num_rates); 2494a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2495a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (count = 0; count < rate_table->num_rates; count++) { 2496a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *dst = 2497a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &cmd->rate_table.rate_entry[count]; 2498a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_rate_entry *src = 2499a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek &rate_table->rate_entry[count]; 2500a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2501a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->is_ht_rate = cpu_to_le32(src->is_ht_rate); 2502a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->enable_retry = cpu_to_le32(src->enable_retry); 2503a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->rate = cpu_to_le32(src->rate); 2504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dst->retry_count = cpu_to_le32(src->retry_count); 2505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek kfree(cmd); 2510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 251455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 251555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_ENABLE_SNIFFER. 251655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 251755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_enable_sniffer { 251855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 251955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 252055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 252155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 252255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_enable_sniffer(struct ieee80211_hw *hw, bool enable) 252355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 252455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_enable_sniffer *cmd; 252555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 252655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 252755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 252855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 252955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 253055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 253155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_ENABLE_SNIFFER); 253255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 253355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le32(!!enable); 253455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 253555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 253655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 253755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 253855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 253955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 254055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 254155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 254255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_MAC_ADDR. 254355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 254455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_mac_addr { 254555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 254655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek union { 254755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct { 254855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mac_type; 254955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 255055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } mbss; 255155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 mac_addr[ETH_ALEN]; 255255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek }; 255355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 255455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 255555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_mac_addr(struct ieee80211_hw *hw, u8 *mac) 255655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 255755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 255855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_mac_addr *cmd; 255955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 256055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 256155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 256255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 256355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 256455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 256555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_MAC_ADDR); 256655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 256755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (priv->ap_fw) { 256855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mbss.mac_type = 0; 256955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mbss.mac_addr, mac, ETH_ALEN); 257055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } else { 257155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek memcpy(cmd->mac_addr, mac, ETH_ALEN); 257255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek } 257355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 257455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 257555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 257655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 257755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 257855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 257955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 258055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 258155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_SET_RATEADAPT_MODE. 258255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 258355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_set_rate_adapt_mode { 258455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 258555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 action; 258655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le16 mode; 258755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 258855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 258955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstatic int mwl8k_cmd_set_rateadapt_mode(struct ieee80211_hw *hw, __u16 mode) 259055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 259155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_set_rate_adapt_mode *cmd; 259255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 259355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 259455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 259555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 259655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 259755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 259855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_SET_RATEADAPT_MODE); 259955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 260055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->action = cpu_to_le16(MWL8K_CMD_SET); 260155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->mode = cpu_to_le16(mode); 260255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 260355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 260455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 260555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 260655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 260755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 260855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 260955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek/* 261055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek * CMD_UPDATE_STADB. 261155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek */ 261225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct ewc_ht_info { 261325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control1; 261425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control2; 261525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 control3; 261625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek} __attribute__((packed)); 261725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 261825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhekstruct peer_capability_info { 261925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Peer type - AP vs. STA. */ 262025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 peer_type; 262125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 262225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Basic 802.11 capabilities from assoc resp. */ 262325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 basic_caps; 262425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 262525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Set if peer supports 802.11n high throughput (HT). */ 262625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_support; 262725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 262825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Valid if HT is supported. */ 262925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 ht_caps; 263025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 extended_ht_caps; 263125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek struct ewc_ht_info ewc_info; 263225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 263325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* Legacy rate table. Intersection of our rates and peer rates. */ 263425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 legacy_rates[12]; 263525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 263625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* HT rate table. Intersection of our rates and peer rates. */ 263725d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 ht_rates[16]; 263825d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad[16]; 263925d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 264025d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek /* If set, interoperability mode, no proprietary extensions. */ 264125d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 interop; 264225d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 pad2; 264325d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __u8 station_id; 264425d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek __le16 amsdu_enabled; 264525d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek} __attribute__((packed)); 264625d81b1e1a0cca41a71a08468a7d3a4c751c8565Lennert Buytenhek 264755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhekstruct mwl8k_cmd_update_stadb { 264855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_pkt header; 264955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* See STADB_ACTION_TYPE */ 265155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 action; 265255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer MAC address */ 265455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __u8 peer_addr[ETH_ALEN]; 265555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek __le32 reserved; 265755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 265855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek /* Peer info - valid during add/update. */ 265955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct peer_capability_info peer_info; 266055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} __attribute__((packed)); 266155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2662a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_MODIFY_ENTRY 1 2663a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_STA_DB_DEL_ENTRY 2 2664a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2665a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek/* Peer Entry flags - used to define the type of the peer node */ 2666a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek#define MWL8K_PEER_TYPE_ACCESSPOINT 2 2667a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2668a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_add(struct ieee80211_hw *hw, 2669c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_vif *vif, 267013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta *sta) 267155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek{ 267255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 2673a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct peer_capability_info *p; 267455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek int rc; 267555489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 267655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 267755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (cmd == NULL) 267855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return -ENOMEM; 267955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 268055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 268155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2682a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_MODIFY_ENTRY); 268313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(cmd->peer_addr, sta->addr, ETH_ALEN); 268455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2685a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p = &cmd->peer_info; 2686a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->peer_type = MWL8K_PEER_TYPE_ACCESSPOINT; 2687a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->basic_caps = cpu_to_le16(vif->bss_conf.assoc_capability); 268813935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_support = sta->ht_cap.ht_supported; 268913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->ht_caps = sta->ht_cap.cap; 269013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek p->extended_ht_caps = (sta->ht_cap.ampdu_factor & 3) | 269113935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek ((sta->ht_cap.ampdu_density & 7) << 2); 269213935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek legacy_rate_mask_to_array(p->legacy_rates, 269313935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek sta->supp_rates[IEEE80211_BAND_2GHZ]); 269413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(p->ht_rates, sta->ht_cap.mcs.rx_mask, 16); 2695a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->interop = 1; 2696a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek p->amsdu_enabled = 0; 2697a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2698a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 2699a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek kfree(cmd); 2700a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2701a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return rc ? rc : p->station_id; 2702a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek} 2703a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2704a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhekstatic int mwl8k_cmd_update_stadb_del(struct ieee80211_hw *hw, 2705a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_vif *vif, u8 *addr) 2706a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek{ 2707a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct mwl8k_cmd_update_stadb *cmd; 2708a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 2709a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2710a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); 2711a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (cmd == NULL) 2712a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek return -ENOMEM; 2713a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 2714a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.code = cpu_to_le16(MWL8K_CMD_UPDATE_STADB); 2715a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->header.length = cpu_to_le16(sizeof(*cmd)); 2716a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek cmd->action = cpu_to_le32(MWL8K_STA_DB_DEL_ENTRY); 2717bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek memcpy(cmd->peer_addr, addr, ETH_ALEN); 271855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2719a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rc = mwl8k_post_cmd(hw, &cmd->header); 272055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek kfree(cmd); 272155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 272255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return rc; 272355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek} 272455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek 2725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Interrupt handling. 2728a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic irqreturn_t mwl8k_interrupt(int irq, void *dev_id) 2730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = dev_id; 2732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek u32 status; 2734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek status = ioread32(priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(~status, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 2737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (!status) 2739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_NONE; 2740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_TX_DONE) 2742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_schedule(&priv->tx_reclaim_task); 2743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_RX_READY) { 2745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek while (rxq_process(hw, 0, 1)) 2746a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, 1); 2747a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2748a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2749a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_OPC_DONE) { 2750618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (priv->hostcmd_wait != NULL) 2751a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek complete(priv->hostcmd_wait); 2752a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2753a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2754a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { 2755618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek if (!mutex_is_locked(&priv->fw_mutex) && 275688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->radio_on && priv->pending_tx_pkts) 2757618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mwl8k_tx_start(priv); 2758a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2759a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2760a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return IRQ_HANDLED; 2761a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2762a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2763a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2764a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek/* 2765a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Core driver operations. 2766a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2767a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) 2768a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2769a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2770a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index = skb_get_queue_mapping(skb); 2771a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2772a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2773a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->current_channel == NULL) { 2774a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_DEBUG "%s: dropped TX frame since radio " 2775c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek "disabled\n", wiphy_name(hw->wiphy)); 2776a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 2777a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return NETDEV_TX_OK; 2778a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2779a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2780a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_xmit(hw, index, skb); 2781a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2782a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2783a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2784a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2785a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_start(struct ieee80211_hw *hw) 2786a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2787a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2788a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 2789a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2790a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 2791a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 2792a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 2793a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 2794c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 27952ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek return -EIO; 2796a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 2797a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 27982ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek /* Enable tx reclaim tasklet */ 27992ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_enable(&priv->tx_reclaim_task); 28002ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 2801a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Enable interrupts */ 2802c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2803a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28042ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek rc = mwl8k_fw_lock(hw); 28052ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) { 280655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 2807a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28085e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!priv->ap_fw) { 28095e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 281055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_enable_sniffer(hw, 0); 2811a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28125e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 28135e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_pre_scan(hw); 28145e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek 28155e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek if (!rc) 28165e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek rc = mwl8k_cmd_set_post_scan(hw, 28175e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek "\x00\x00\x00\x00\x00\x00"); 28185e4cf166f4a9801ea9ca1bab210d763d27538de6Lennert Buytenhek } 28192ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 28202ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 282155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_rateadapt_mode(hw, 0); 2822a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28232ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (!rc) 282455489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 0); 2825a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 28262ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek mwl8k_fw_unlock(hw); 28272ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 28282ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek 28292ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek if (rc) { 28302ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 28312ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek free_irq(priv->pdev->irq, hw); 28322ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 28332ec610cb6d57032cdab89781e37ed3e442c73367Lennert Buytenhek } 2834a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2835a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 2836a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2837a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2838a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_stop(struct ieee80211_hw *hw) 2839a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2840a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2841a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 2842a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 284355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 2844a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2845a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 2846a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2847a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 2848a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 2849a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 2850a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2851a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop finalize join worker */ 2852a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek cancel_work_sync(&priv->finalize_join_worker); 2853a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->beacon_skb != NULL) 2854a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(priv->beacon_skb); 2855a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2856a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop tx reclaim tasklet */ 2857a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 2858a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2859a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 2860a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 2861a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 2862a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2863a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2864a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_add_interface(struct ieee80211_hw *hw, 28651ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 2866a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2867a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2868a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_vif *mwl8k_vif; 2869a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2870a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2871a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support one active interface at a time. 2872a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 2873a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif != NULL) 2874a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EBUSY; 2875a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2876a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 2877a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * We only support managed interfaces for now. 2878a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 28791ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg if (vif->type != NL80211_IFTYPE_STATION) 2880a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return -EINVAL; 2881a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2882a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 2883a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Reject interface creation if sniffer mode is active, as 2884a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * STA operation is mutually exclusive with hardware sniffer 2885a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * mode. 2886a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 2887a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 2888a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek printk(KERN_INFO "%s: unable to create STA " 2889a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek "interface due to sniffer mode being enabled\n", 2890a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek wiphy_name(hw->wiphy)); 2891a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return -EINVAL; 2892a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 2893a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 2894a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Clean out driver private area */ 28951ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_vif = MWL8K_VIF(vif); 2896a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memset(mwl8k_vif, 0, sizeof(*mwl8k_vif)); 2897a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 289832060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Set and save the mac address */ 28991ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg mwl8k_cmd_set_mac_addr(hw, vif->addr); 29001ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg memcpy(mwl8k_vif->mac_addr, vif->addr, ETH_ALEN); 2901a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2902a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set Initial sequence number to zero */ 2903a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_vif->seqno = 0; 2904a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29051ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg priv->vif = vif; 2906a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->current_channel = NULL; 2907a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2908a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 2909a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2910a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2911a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_remove_interface(struct ieee80211_hw *hw, 29121ed32e4fc8cfc9656cc1101e7f9617d485fcbe7bJohannes Berg struct ieee80211_vif *vif) 2913a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2914a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2915a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2916a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->vif == NULL) 2917a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 2918a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 291955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00"); 292032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 2921a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 2922a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2923a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2924ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekstatic int mwl8k_config(struct ieee80211_hw *hw, u32 changed) 2925a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2926a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_conf *conf = &hw->conf; 2927a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2928ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek int rc; 2929a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29307595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek if (conf->flags & IEEE80211_CONF_IDLE) { 293155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_radio_disable(hw); 29327595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek priv->current_channel = NULL; 2933ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return 0; 29347595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek } 29357595d67a06466cc00e3aae1b86544278b57481eeLennert Buytenhek 2936ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek rc = mwl8k_fw_lock(hw); 2937ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2938ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2939a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 294055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_enable(hw); 2941ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2942ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2943a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2944610677d2f0415570a7590790e8be376a946cd08bLennert Buytenhek rc = mwl8k_cmd_set_rf_channel(hw, conf); 2945ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2946ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2947ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek 2948ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek priv->current_channel = conf->channel; 2949a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2950a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (conf->power_level > 18) 2951a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek conf->power_level = 18; 295255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_rf_tx_power(hw, conf->power_level); 2953ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek if (rc) 2954ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek goto out; 2955a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 295608b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (priv->ap_fw) { 295708b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_RX, 0x7); 295808b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek if (!rc) 295908b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_rf_antenna(hw, MWL8K_RF_ANTENNA_TX, 0x7); 296008b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } else { 296108b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek rc = mwl8k_cmd_mimo_config(hw, 0x7, 0x7); 296208b063477e45cb366df7204cbcdc79ff86513ef9Lennert Buytenhek } 2963a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2964ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhekout: 2965ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek mwl8k_fw_unlock(hw); 2966a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2967ee03a93241eb954d669fb795b4e5c0eec92eef22Lennert Buytenhek return rc; 2968a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 2969a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 29703a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekstatic void mwl8k_bss_info_changed(struct ieee80211_hw *hw, 29713a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_vif *vif, 29723a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek struct ieee80211_bss_conf *info, 29733a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek u32 changed) 2974a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 2975a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 2976c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek u32 ap_legacy_rates; 297713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek u8 ap_mcs_rates[16]; 29783a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek int rc; 29793a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 2980c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (mwl8k_fw_lock(hw)) 29813a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek return; 2982a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 2983c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 2984c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek * No need to capture a beacon if we're no longer associated. 2985c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 2986c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && !vif->bss_conf.assoc) 2987c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek priv->capture_beacon = false; 29883a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek 2989c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek /* 299013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek * Get the AP's legacy and MCS rates. 2991c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek */ 2992c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap_legacy_rates = 0; 29937dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek if (vif->bss_conf.assoc) { 2994c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek struct ieee80211_sta *ap; 2995c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek rcu_read_lock(); 2996c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 2997c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap = ieee80211_find_sta(vif, vif->bss_conf.bssid); 2998c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (ap == NULL) { 2999c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 3000c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek goto out; 3001c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3002c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 3003c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek ap_legacy_rates = ap->supp_rates[IEEE80211_BAND_2GHZ]; 300413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek memcpy(ap_mcs_rates, ap->ht_cap.mcs.rx_mask, 16); 3005c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek 3006c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rcu_read_unlock(); 3007c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3008c6e9601071173fed2a77f9c435c41f3b33d1018fLennert Buytenhek 3009c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if ((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) { 301013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_set_rate(hw, vif, ap_legacy_rates, ap_mcs_rates); 30113a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30123a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3013a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30143a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek rc = mwl8k_cmd_use_fixed_rate(hw, MWL8K_USE_AUTO_RATE, 30153a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek MWL8K_UCAST_RATE, NULL); 30163a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30173a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3018c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3019a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3020c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_PREAMBLE) { 30217dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_set_radio_preamble(hw, 30227dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek vif->bss_conf.use_short_preamble); 30233a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30243a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3025c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3026a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3027c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (changed & BSS_CHANGED_ERP_SLOT) { 30287dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek rc = mwl8k_cmd_set_slot(hw, vif->bss_conf.use_short_slot); 30293a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30303a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3031c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3032a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3033c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (((changed & BSS_CHANGED_ASSOC) && vif->bss_conf.assoc) || 3034c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ERP_CTS_PROT | BSS_CHANGED_HT))) { 3035c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek rc = mwl8k_cmd_set_aid(hw, vif, ap_legacy_rates); 30363a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek if (rc) 30373a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek goto out; 3038c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek } 3039a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3040c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek if (vif->bss_conf.assoc && 3041c3cbbe8a5cd2886e13e9c93e059d9761f3715665Lennert Buytenhek (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INT))) { 3042a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3043a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Finalize the join. Tell rx handler to process 3044a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * next beacon from our BSSID. 3045a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 30460a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek memcpy(priv->capture_bssid, vif->bss_conf.bssid, ETH_ALEN); 3047a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->capture_beacon = true; 3048a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3049a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 30503a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhekout: 30513a980d0a505161b99fc936827cb28ec8eb853284Lennert Buytenhek mwl8k_fw_unlock(hw); 3052a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3053a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3054e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhekstatic u64 mwl8k_prepare_multicast(struct ieee80211_hw *hw, 3055e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek int mc_count, struct dev_addr_list *mclist) 3056e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek{ 3057e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek struct mwl8k_cmd_pkt *cmd; 3058e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 3059447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 3060447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * Synthesize and return a command packet that programs the 3061447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * hardware multicast address filter. At this point we don't 3062447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * know whether FIF_ALLMULTI is being requested, but if it is, 3063447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * we'll end up throwing this packet away and creating a new 3064447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * one in mwl8k_configure_filter(). 3065447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 3066447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, 0, mc_count, mclist); 3067e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 3068e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek return (unsigned long)cmd; 3069e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek} 3070e81cd2d664fe5b75a0db9bb24b43c0dfbde32319Lennert Buytenhek 3071a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekstatic int 3072a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhekmwl8k_configure_filter_sniffer(struct ieee80211_hw *hw, 3073a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int changed_flags, 3074a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek unsigned int *total_flags) 3075a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek{ 3076a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3077a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3078a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 3079a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Hardware sniffer mode is mutually exclusive with STA 3080a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * operation, so refuse to enable sniffer mode if a STA 3081a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * interface is active. 3082a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 3083a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->vif != NULL) { 3084a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (net_ratelimit()) 3085a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek printk(KERN_INFO "%s: not enabling sniffer " 3086a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek "mode because STA interface is active\n", 3087a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek wiphy_name(hw->wiphy)); 3088a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 3089a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3090a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3091a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (!priv->sniffer_enabled) { 309255489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek if (mwl8k_cmd_enable_sniffer(hw, 1)) 3093a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 0; 3094a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = true; 3095a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3096a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3097a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek *total_flags &= FIF_PROMISC_IN_BSS | FIF_ALLMULTI | 3098a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_BCN_PRBRESP_PROMISC | FIF_CONTROL | 3099a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek FIF_OTHER_BSS; 3100a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3101a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return 1; 3102a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek} 3103a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3104e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhekstatic void mwl8k_configure_filter(struct ieee80211_hw *hw, 3105e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int changed_flags, 3106e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek unsigned int *total_flags, 3107e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek u64 multicast) 3108e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek{ 3109e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3110a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek struct mwl8k_cmd_pkt *cmd = (void *)(unsigned long)multicast; 3111a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3112a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek /* 3113c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * AP firmware doesn't allow fine-grained control over 3114c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek * the receive filter. 3115c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek */ 3116c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek if (priv->ap_fw) { 3117c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 3118c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek kfree(cmd); 3119c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek return; 3120c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek } 3121c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek 3122c0adae2caa1a152c6ec691c5d1e815e47dac2a0cLennert Buytenhek /* 3123a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * Enable hardware sniffer mode if FIF_CONTROL or 3124a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek * FIF_OTHER_BSS is requested. 3125a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek */ 3126a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (*total_flags & (FIF_CONTROL | FIF_OTHER_BSS) && 3127a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek mwl8k_configure_filter_sniffer(hw, changed_flags, total_flags)) { 3128a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek kfree(cmd); 3129a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek return; 3130a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3131a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3132e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek /* Clear unsupported feature flags */ 3133447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek *total_flags &= FIF_ALLMULTI | FIF_BCN_PRBRESP_PROMISC; 3134a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3135e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (mwl8k_fw_lock(hw)) 3136e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek return; 3137a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3138a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek if (priv->sniffer_enabled) { 313955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek mwl8k_cmd_enable_sniffer(hw, 0); 3140a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek priv->sniffer_enabled = false; 3141a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek } 3142a43c49a817f31ce1accc029239827b108319ecf9Lennert Buytenhek 3143e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek if (changed_flags & FIF_BCN_PRBRESP_PROMISC) { 314477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek if (*total_flags & FIF_BCN_PRBRESP_PROMISC) { 314577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 314677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Disable the BSS filter. 314777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 3148e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_pre_scan(hw); 314977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek } else { 31500a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek const u8 *bssid; 3151a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 315277165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek /* 315377165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * Enable the BSS filter. 315477165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * 315577165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * If there is an active STA interface, use that 315677165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * interface's BSSID, otherwise use a dummy one 315777165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * (where the OUI part needs to be nonzero for 315877165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek * the BSSID to be accepted by POST_SCAN). 315977165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek */ 316077165d8809cda1a77bc8752148a6252d7735c12eLennert Buytenhek bssid = "\x01\x00\x00\x00\x00\x00"; 3161a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek if (priv->vif != NULL) 31620a11dfc36604d9b24deda17461b7ea69851846aaLennert Buytenhek bssid = priv->vif->bss_conf.bssid; 3163a94cc97e14c5750ec2b50b2e4ecdfb0f369ed0f4Lennert Buytenhek 3164e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_cmd_set_post_scan(hw, bssid); 3165a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3166a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3167a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3168447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek /* 3169447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * If FIF_ALLMULTI is being requested, throw away the command 3170447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packet that ->prepare_multicast() built and replace it with 3171447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * a command packet that enables reception of all multicast 3172447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek * packets. 3173447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek */ 3174447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (*total_flags & FIF_ALLMULTI) { 3175447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 3176447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek cmd = __mwl8k_cmd_mac_multicast_adr(hw, 1, 0, NULL); 3177447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek } 3178447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek 3179447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek if (cmd != NULL) { 3180447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek mwl8k_post_cmd(hw, cmd); 3181447ced07d04525218ae586cd70b759b48bcb1fc8Lennert Buytenhek kfree(cmd); 3182e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek } 3183a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3184e6935ea10485f34b82d16f8dff9aa2bdf32ab4bfLennert Buytenhek mwl8k_fw_unlock(hw); 3185a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3186a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3187a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_set_rts_threshold(struct ieee80211_hw *hw, u32 value) 3188a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 318955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_set_rts_threshold(hw, MWL8K_CMD_SET, value); 3190a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3191a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3192bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekstruct mwl8k_sta_notify_item 3193bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 3194bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct list_head list; 3195bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct ieee80211_vif *vif; 3196bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek enum sta_notify_cmd cmd; 319713935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek struct ieee80211_sta sta; 3198bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek}; 3199bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3200bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekstatic void mwl8k_sta_notify_worker(struct work_struct *work) 3201bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 3202bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = 3203bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek container_of(work, struct mwl8k_priv, sta_notify_worker); 3204a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_hw *hw = priv->hw; 3205bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3206bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock_bh(&priv->sta_notify_list_lock); 3207bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek while (!list_empty(&priv->sta_notify_list)) { 3208bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_sta_notify_item *s; 3209bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3210bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s = list_entry(priv->sta_notify_list.next, 3211bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_sta_notify_item, list); 3212bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek list_del(&s->list); 3213bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3214bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_unlock_bh(&priv->sta_notify_list_lock); 3215bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3216a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (s->cmd == STA_NOTIFY_ADD) { 3217a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek int rc; 3218a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 321913935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek rc = mwl8k_cmd_update_stadb_add(hw, s->vif, &s->sta); 3220a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (rc >= 0) { 3221a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek struct ieee80211_sta *sta; 3222a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek 3223a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rcu_read_lock(); 322413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek sta = ieee80211_find_sta(s->vif, s->sta.addr); 3225a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek if (sta != NULL) 3226a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek MWL8K_STA(sta)->peer_id = rc; 3227a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek rcu_read_unlock(); 3228a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek } 3229a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek } else { 323013935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek mwl8k_cmd_update_stadb_del(hw, s->vif, s->sta.addr); 3231a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek } 3232bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3233bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek kfree(s); 3234bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3235bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock_bh(&priv->sta_notify_list_lock); 3236bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 3237bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_unlock_bh(&priv->sta_notify_list_lock); 3238bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 3239bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3240bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekstatic void 3241bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhekmwl8k_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 3242bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek enum sta_notify_cmd cmd, struct ieee80211_sta *sta) 3243bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek{ 3244bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3245bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek struct mwl8k_sta_notify_item *s; 3246bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3247bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek if (cmd != STA_NOTIFY_ADD && cmd != STA_NOTIFY_REMOVE) 3248bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek return; 3249bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3250bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s = kmalloc(sizeof(*s), GFP_ATOMIC); 3251bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek if (s != NULL) { 3252bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s->vif = vif; 3253bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek s->cmd = cmd; 325413935e2cf39b124c9a2ff0349b294e0b1e2e3aefLennert Buytenhek s->sta = *sta; 3255bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3256bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock(&priv->sta_notify_list_lock); 3257bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek list_add_tail(&s->list, &priv->sta_notify_list); 3258bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_unlock(&priv->sta_notify_list_lock); 3259bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3260bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek ieee80211_queue_work(hw, &priv->sta_notify_worker); 3261bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek } 3262bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek} 3263bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3264a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_conf_tx(struct ieee80211_hw *hw, u16 queue, 3265a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct ieee80211_tx_queue_params *params) 3266a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 32673e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3268a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3269a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32703e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek rc = mwl8k_fw_lock(hw); 32713e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) { 32723e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!priv->wmm_enabled) 327355489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_wmm_mode(hw, 1); 3274a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 32753e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek if (!rc) 327655489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_edca_params(hw, queue, 327755489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_min, 327855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->cw_max, 327955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->aifs, 328055489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek params->txop); 32813e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 32823e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek mwl8k_fw_unlock(hw); 3283a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 32843e4f542cfbf5a60f2295b2de9a31bdd14beb7b4aLennert Buytenhek 3285a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3286a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3287a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3288a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_tx_stats(struct ieee80211_hw *hw, 3289a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_tx_queue_stats *stats) 3290a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3291a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3292a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_tx_queue *txq; 3293a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int index; 3294a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3295a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 3296a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (index = 0; index < MWL8K_TX_QUEUES; index++) { 3297a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek txq = priv->txq + index; 329845eb400d50e1ad84a8e8f9e9a82cd8ae13d7d691Lennert Buytenhek memcpy(&stats[index], &txq->stats, 3299a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct ieee80211_tx_queue_stats)); 3300a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3301a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 3302a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3303954ef509cc7d795ccd69fa2e01539297e9a003a0Lennert Buytenhek return 0; 3304a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3305a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3306a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int mwl8k_get_stats(struct ieee80211_hw *hw, 3307a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_low_level_stats *stats) 3308a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 330955489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek return mwl8k_cmd_get_stat(hw, stats); 3310a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3311a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3312a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic const struct ieee80211_ops mwl8k_ops = { 3313a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .tx = mwl8k_tx, 3314a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .start = mwl8k_start, 3315a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .stop = mwl8k_stop, 3316a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .add_interface = mwl8k_add_interface, 3317a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove_interface = mwl8k_remove_interface, 3318a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .config = mwl8k_config, 3319a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .bss_info_changed = mwl8k_bss_info_changed, 33203ac64beecd27400d12cc7afb4108eef26c499f6aJohannes Berg .prepare_multicast = mwl8k_prepare_multicast, 3321a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .configure_filter = mwl8k_configure_filter, 3322a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .set_rts_threshold = mwl8k_set_rts_threshold, 3323bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek .sta_notify = mwl8k_sta_notify, 3324a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .conf_tx = mwl8k_conf_tx, 3325a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_tx_stats = mwl8k_get_tx_stats, 3326a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .get_stats = mwl8k_get_stats, 3327a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3328a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3329a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_tx_reclaim_handler(unsigned long data) 3330a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3331a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3332a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = (struct ieee80211_hw *) data; 3333a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = hw->priv; 3334a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3335a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_bh(&priv->tx_lock); 3336a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3337a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 0); 3338a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 333988de754ad59025eba797e7a8375807755577f450Lennert Buytenhek if (priv->tx_wait != NULL && !priv->pending_tx_pkts) { 3340ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek complete(priv->tx_wait); 3341ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek priv->tx_wait = NULL; 3342a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3343a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_unlock_bh(&priv->tx_lock); 3344a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3345a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3346a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void mwl8k_finalize_join_worker(struct work_struct *work) 3347a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3348a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv = 3349a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek container_of(work, struct mwl8k_priv, finalize_join_worker); 3350a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct sk_buff *skb = priv->beacon_skb; 3351a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 33527dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len, 33537dc6a7a7635365b140af969e972900866d0bf34bLennert Buytenhek priv->vif->bss_conf.dtim_period); 3354a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek dev_kfree_skb(skb); 3355a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3356a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->beacon_skb = NULL; 3357a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3358a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3359bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvilleenum { 33609e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8363 = 0, 33619e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek MWL8687, 3362bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville MWL8366, 33636f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek}; 33646f6d1e9a8a7fea5e4400cad64bed717e322208e1Lennert Buytenhek 3365bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linvillestatic struct mwl8k_device_info mwl8k_info_tbl[] __devinitdata = { 33669e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek [MWL8363] = { 33679e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .part_name = "88w8363", 33689e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .helper_image = "mwl8k/helper_8363.fw", 33699e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek .fw_image = "mwl8k/fmimage_8363.fw", 33709e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek }, 337149eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8687] = { 3372bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8687", 3373bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8687.fw", 3374bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .fw_image = "mwl8k/fmimage_8687.fw", 3375bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 337649eb691c8f48a29adfdfbdeb82433f1f8cb6524dLennert Buytenhek [MWL8366] = { 3377bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .part_name = "88w8366", 3378bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .helper_image = "mwl8k/helper_8366.fw", 3379bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville .fw_image = "mwl8k/fmimage_8366.fw", 338089a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek .ap_rxd_ops = &rxd_8366_ap_ops, 3381bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville }, 338245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 338345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 338445a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhekstatic DEFINE_PCI_DEVICE_TABLE(mwl8k_pci_id_table) = { 33859e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a0c), .driver_data = MWL8363, }, 33869e1b17ead81e72d3db37b4cf15cde1f613603822Lennert Buytenhek { PCI_VDEVICE(MARVELL, 0x2a24), .driver_data = MWL8363, }, 3387bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a2b), .driver_data = MWL8687, }, 3388bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a30), .driver_data = MWL8687, }, 3389bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { PCI_VDEVICE(MARVELL, 0x2a40), .driver_data = MWL8366, }, 3390bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville { }, 339145a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek}; 339245a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert BuytenhekMODULE_DEVICE_TABLE(pci, mwl8k_pci_id_table); 339345a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek 3394a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __devinit mwl8k_probe(struct pci_dev *pdev, 3395a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek const struct pci_device_id *id) 3396a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 33972aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek static int printed_version = 0; 3398a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw; 3399a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3400a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int rc; 3401a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 34022aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek 34032aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek if (!printed_version) { 34042aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printk(KERN_INFO "%s version %s\n", MWL8K_DESC, MWL8K_VERSION); 34052aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek printed_version = 1; 34062aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek } 3407a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3408be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3409a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_enable_device(pdev); 3410a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3411a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot enable new PCI device\n", 3412a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 3413a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3414a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3415a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3416a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = pci_request_regions(pdev, MWL8K_NAME); 3417a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3418a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: Cannot obtain PCI resources\n", 3419a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek MWL8K_NAME); 34203db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek goto err_disable_device; 3421a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3422a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3423a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_master(pdev); 3424a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3425be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3426a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw = ieee80211_alloc_hw(sizeof(*priv), &mwl8k_ops); 3427a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) { 3428a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: ieee80211 alloc failed\n", MWL8K_NAME); 3429a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = -ENOMEM; 3430a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_reg; 3431a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3432a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3433be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek SET_IEEE80211_DEV(hw, &pdev->dev); 3434be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek pci_set_drvdata(pdev, hw); 3435be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3436a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3437a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->hw = hw; 3438a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->pdev = pdev; 3439bcb628d579a61d0ab0cac4c6cc8a403de5254920John W. Linville priv->device_info = &mwl8k_info_tbl[id->driver_data]; 3440a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3441a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34425b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->sram = pci_iomap(pdev, 0, 0x10000); 34435b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram == NULL) { 34445b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek printk(KERN_ERR "%s: Cannot map device SRAM\n", 3445c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3446a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_iounmap; 3447a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3448a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 34495b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek /* 34505b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek * If BAR0 is a 32 bit BAR, the register BAR will be BAR1. 34515b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek * If BAR0 is a 64 bit BAR, the register BAR will be BAR2. 34525b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek */ 34535b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->regs = pci_iomap(pdev, 1, 0x10000); 34545b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->regs == NULL) { 34555b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek priv->regs = pci_iomap(pdev, 2, 0x10000); 34565b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->regs == NULL) { 34575b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek printk(KERN_ERR "%s: Cannot map device registers\n", 34585b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek wiphy_name(hw->wiphy)); 34595b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek goto err_iounmap; 34605b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek } 34615b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek } 34625b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 3463be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3464be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reset firmware and hardware */ 3465be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 3466be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3467be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Ask userland hotplug daemon for the device firmware */ 3468be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_request_firmware(priv); 3469be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 3470be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek printk(KERN_ERR "%s: Firmware files not found\n", 3471be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek wiphy_name(hw->wiphy)); 3472be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_stop_firmware; 3473be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 3474be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3475be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Load firmware into hardware */ 3476be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek rc = mwl8k_load_firmware(hw); 3477be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek if (rc) { 3478be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek printk(KERN_ERR "%s: Cannot start firmware\n", 3479be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek wiphy_name(hw->wiphy)); 3480be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_stop_firmware; 3481be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek } 3482be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3483be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek /* Reclaim memory once firmware is successfully loaded */ 3484be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 3485be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3486be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 348791942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->ap_fw) { 348889a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = priv->device_info->ap_rxd_ops; 348991942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek if (priv->rxd_ops == NULL) { 349091942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek printk(KERN_ERR "%s: Driver does not have AP " 349191942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek "firmware image support for this hardware\n", 349291942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek wiphy_name(hw->wiphy)); 349391942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek goto err_stop_firmware; 349491942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 349591942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } else { 349689a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek priv->rxd_ops = &rxd_sta_ops; 349791942230689c1758685499e82e53769d5e7f32ebLennert Buytenhek } 3498be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3499be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->sniffer_enabled = false; 3500be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->wmm_enabled = false; 3501be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek priv->pending_tx_pkts = 0; 3502be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3503be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3504a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->channels, mwl8k_channels, sizeof(mwl8k_channels)); 3505a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.band = IEEE80211_BAND_2GHZ; 3506a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.channels = priv->channels; 3507a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_channels = ARRAY_SIZE(mwl8k_channels); 3508a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.bitrates = priv->rates; 3509a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->band.n_bitrates = ARRAY_SIZE(mwl8k_rates); 3510a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &priv->band; 3511a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3512a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek BUILD_BUG_ON(sizeof(priv->rates) != sizeof(mwl8k_rates)); 3513a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek memcpy(priv->rates, mwl8k_rates, sizeof(mwl8k_rates)); 3514a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3515a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3516a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Extra headroom is the size of the required DMA header 3517a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * minus the size of the smallest 802.11 frame (CTS frame). 3518a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3519a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->extra_tx_headroom = 3520a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek sizeof(struct mwl8k_dma_data) - sizeof(struct ieee80211_cts); 3521a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3522a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->channel_change_time = 10; 3523a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3524a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->queues = MWL8K_TX_QUEUES; 3525a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3526a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set rssi and noise values to dBm */ 3527ce9e2e1b8433c8795459a259ee87bc4e424e7c50Lennert Buytenhek hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM; 3528a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek hw->vif_data_size = sizeof(struct mwl8k_vif); 3529a680400e8ac32adda81b5e2d7f23dfac63e064feLennert Buytenhek hw->sta_data_size = sizeof(struct mwl8k_sta); 3530a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->vif = NULL; 3531a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3532a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Set default radio state and preamble */ 3533c46563b714b09d44eec4d1fd8a0f53e79ddaa3aaLennert Buytenhek priv->radio_on = 0; 353468ce38845c23443b15e374fb7362916c1231278eLennert Buytenhek priv->radio_short_preamble = 0; 3535a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3536bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek /* Station database handling */ 3537bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek INIT_WORK(&priv->sta_notify_worker, mwl8k_sta_notify_worker); 3538bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek spin_lock_init(&priv->sta_notify_list_lock); 3539bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek INIT_LIST_HEAD(&priv->sta_notify_list); 3540bbfd9128d3b4a80bea017ebdd47b31a80dc7eadfLennert Buytenhek 3541a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Finalize join worker */ 3542a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); 3543a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3544a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* TX reclaim tasklet */ 3545a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_init(&priv->tx_reclaim_task, 3546a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_tx_reclaim_handler, (unsigned long)hw); 3547a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_disable(&priv->tx_reclaim_task); 3548a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3549a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Power management cookie */ 3550a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie = pci_alloc_consistent(priv->pdev, 4, &priv->cookie_dma); 3551a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie == NULL) 3552be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_stop_firmware; 3553a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3554a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_rxq_init(hw, 0); 3555a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3556be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_cookie; 3557a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rxq_refill(hw, 0, INT_MAX); 3558a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3559618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek mutex_init(&priv->fw_mutex); 3560618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_owner = NULL; 3561618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->fw_mutex_depth = 0; 3562618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek priv->hostcmd_wait = NULL; 3563618952a7b19b796fce98364fb26551cbe3e16a75Lennert Buytenhek 3564a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek spin_lock_init(&priv->tx_lock); 3565a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 356688de754ad59025eba797e7a8375807755577f450Lennert Buytenhek priv->tx_wait = NULL; 356788de754ad59025eba797e7a8375807755577f450Lennert Buytenhek 3568a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) { 3569a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = mwl8k_txq_init(hw, i); 3570a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) 3571a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3572a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3573a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3574a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS); 3575c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3576a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_CLEAR_SEL); 3577a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0xffffffff, priv->regs + MWL8K_HIU_A2H_INTERRUPT_STATUS_MASK); 3578a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3579a0607fd3a25ba1848a63a0d925e36d914735ab47Joe Perches rc = request_irq(priv->pdev->irq, mwl8k_interrupt, 3580a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek IRQF_SHARED, MWL8K_NAME, hw); 3581a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3582a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "%s: failed to register IRQ handler\n", 3583c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3584a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek goto err_free_queues; 3585a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3586a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3587a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* 3588a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * Temporarily enable interrupts. Initial firmware host 3589a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * commands use interrupts and avoids polling. Disable 3590a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek * interrupts when done. 3591a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek */ 3592c23b5a699471ea2ef9d146eae80e64836cfbf001Lennert Buytenhek iowrite32(MWL8K_A2H_EVENTS, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3593a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3594a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Get config data, mac addrs etc */ 359542fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (priv->ap_fw) { 359642fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_ap(hw); 359742fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek if (!rc) 359842fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_set_hw_spec(hw); 359942fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } else { 360042fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek rc = mwl8k_cmd_get_hw_spec_sta(hw); 360189a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek 360289a91f4f4cdae92daf3693d4852ae4958abb6c58Lennert Buytenhek hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION); 360342fba21d56df644887488a29b158cc8916b9ba99Lennert Buytenhek } 3604a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3605c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot initialise firmware\n", 3606c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3607be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 3608a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3609a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3610a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Turn radio off */ 361155489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_radio_disable(hw); 3612a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3613c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot disable\n", wiphy_name(hw->wiphy)); 3614be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 3615a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3616a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 361732060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek /* Clear MAC address */ 361855489b6ed6801a42636fc3d4594b77dda9c409f2Lennert Buytenhek rc = mwl8k_cmd_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00"); 361932060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek if (rc) { 362032060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek printk(KERN_ERR "%s: Cannot clear MAC address\n", 362132060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek wiphy_name(hw->wiphy)); 3622be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek goto err_free_irq; 362332060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek } 362432060e1b64f23fe315a35d2df8c2c7ad010df73eLennert Buytenhek 3625a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Disable interrupts */ 3626a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3627a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3628a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3629a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek rc = ieee80211_register_hw(hw); 3630a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (rc) { 3631c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek printk(KERN_ERR "%s: Cannot register device\n", 3632c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek wiphy_name(hw->wiphy)); 3633153458ff7ed5949cd5b07a2355a34aad9891ad98Lennert Buytenhek goto err_free_queues; 3634a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek } 3635a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3636eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek printk(KERN_INFO "%s: %s v%d, %pM, %s firmware %u.%u.%u.%u\n", 3637a74b295edb3e2b39d6c03255b24dca862a843c59Lennert Buytenhek wiphy_name(hw->wiphy), priv->device_info->part_name, 363845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek priv->hw_rev, hw->wiphy->perm_addr, 3639eae74e6545d995ab0baa8fb07309f714d9616293Lennert Buytenhek priv->ap_fw ? "AP" : "STA", 36402aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 24) & 0xff, (priv->fw_rev >> 16) & 0xff, 36412aa7b01fe4f2d0978115bfd40364f52d86003606Lennert Buytenhek (priv->fw_rev >> 8) & 0xff, priv->fw_rev & 0xff); 3642a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3643a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return 0; 3644a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3645a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_irq: 3646a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek iowrite32(0, priv->regs + MWL8K_HIU_A2H_INTERRUPT_MASK); 3647a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek free_irq(priv->pdev->irq, hw); 3648a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3649a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_queues: 3650a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3651a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3652a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3653a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3654be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_free_cookie: 3655a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->cookie != NULL) 3656a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_free_consistent(priv->pdev, 4, 3657a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv->cookie, priv->cookie_dma); 3658a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3659be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_stop_firmware: 3660be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_hw_reset(priv); 3661be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek mwl8k_release_firmware(priv); 3662be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhek 3663be695fc4f0a7ff9c9f91d59536b029b781cfea62Lennert Buytenhekerr_iounmap: 3664a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (priv->regs != NULL) 3665a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 3666a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 36675b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek if (priv->sram != NULL) 36685b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 36695b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek 3670a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3671a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3672a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3673a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekerr_free_reg: 3674a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 36753db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhek 36763db95e50c8813d8ed04a1ec7cd7b77dba7c81c80Lennert Buytenhekerr_disable_device: 3677a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3678a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3679a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return rc; 3680a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3681a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3682230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_shutdown(struct pci_dev *pdev) 3683a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3684a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek printk(KERN_ERR "===>%s(%u)\n", __func__, __LINE__); 3685a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3686a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3687230f7af0d8f6f2019e64920378b3b66e7d3e99a5Joerg Albertstatic void __devexit mwl8k_remove(struct pci_dev *pdev) 3688a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3689a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct ieee80211_hw *hw = pci_get_drvdata(pdev); 3690a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek struct mwl8k_priv *priv; 3691a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek int i; 3692a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3693a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek if (hw == NULL) 3694a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return; 3695a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek priv = hw->priv; 3696a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3697a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_stop_queues(hw); 3698a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 369960aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek ieee80211_unregister_hw(hw); 370060aa569f9212a13382c29cc734f275dec0f55e0bLennert Buytenhek 3701a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Remove tx reclaim tasklet */ 3702a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek tasklet_kill(&priv->tx_reclaim_task); 3703a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3704a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Stop hardware */ 3705a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_hw_reset(priv); 3706a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3707a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek /* Return all skbs to mac80211 */ 3708a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3709a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_reclaim(hw, i, 1); 3710a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3711a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek for (i = 0; i < MWL8K_TX_QUEUES; i++) 3712a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_txq_deinit(hw, i); 3713a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3714a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek mwl8k_rxq_deinit(hw, 0); 3715a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3716c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek pci_free_consistent(priv->pdev, 4, priv->cookie, priv->cookie_dma); 3717a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3718a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_iounmap(pdev, priv->regs); 37195b9482dda6dda11dc7050ffa5b4ebfb0c775880fLennert Buytenhek pci_iounmap(pdev, priv->sram); 3720a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_set_drvdata(pdev, NULL); 3721a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek ieee80211_free_hw(hw); 3722a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_release_regions(pdev); 3723a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_disable_device(pdev); 3724a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3725a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3726a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic struct pci_driver mwl8k_driver = { 3727a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .name = MWL8K_NAME, 372845a390ddd70d8bec0b17dd37bc8f77372c9c3d33Lennert Buytenhek .id_table = mwl8k_pci_id_table, 3729a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .probe = mwl8k_probe, 3730a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .remove = __devexit_p(mwl8k_remove), 3731a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek .shutdown = __devexit_p(mwl8k_shutdown), 3732a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek}; 3733a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3734a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic int __init mwl8k_init(void) 3735a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3736a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek return pci_register_driver(&mwl8k_driver); 3737a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3738a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3739a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekstatic void __exit mwl8k_exit(void) 3740a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek{ 3741a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek pci_unregister_driver(&mwl8k_driver); 3742a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek} 3743a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhek 3744a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_init(mwl8k_init); 3745a66098daacee2f354dab311b58011e7076aa248cLennert Buytenhekmodule_exit(mwl8k_exit); 3746c2c357ce309221b85fd36e50aade66d01a556cdeLennert Buytenhek 3747c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_DESCRIPTION(MWL8K_DESC); 3748c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_VERSION(MWL8K_VERSION); 3749c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_AUTHOR("Lennert Buytenhek <buytenh@marvell.com>"); 3750c2c357ce309221b85fd36e50aade66d01a556cdeLennert BuytenhekMODULE_LICENSE("GPL"); 3751